The genus Delphinus, in the family Delphinidae, consisting of two species of DOLPHINS. They are multicolored, with a characteristic yellow-tan criss-cross hourglass pattern behind the eyes.
Mammals of the families Delphinidae (ocean dolphins), Iniidae, Lipotidae, Pontoporiidae, and Platanistidae (all river dolphins). Among the most well-known species are the BOTTLE-NOSED DOLPHIN and the KILLER WHALE (a dolphin). The common name dolphin is applied to small cetaceans having a beaklike snout and a slender, streamlined body, whereas PORPOISES are small cetaceans with a blunt snout and rather stocky body. (From Walker's Mammals of the World, 5th ed, pp978-9)
An order of wholly aquatic MAMMALS occurring in all the OCEANS and adjoining seas of the world, as well as in certain river systems. They feed generally on FISHES, cephalopods, and crustaceans. Most are gregarious and most have a relatively long period of parental care and maturation. Included are DOLPHINS; PORPOISES; and WHALES. (From Walker's Mammals of the World, 5th ed, pp969-70)
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
Single or multi-sheet notices made to attract attention to events, activities, causes, goods, or services. They are for display, usually in a public place and are chiefly pictorial.
The species Tursiops truncatus, in the family Delphinidae, characterized by a bottle-shaped beak and slightly hooked broad dorsal fin.
It is a form of protection provided by law. In the United States this protection is granted to authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. (from Circular of the United States Copyright Office, 6/30/2008)
A group of nine islands and several islets belonging to Portugal in the north Atlantic Ocean off the coast of Portugal. The islands are named after the acores, the Portuguese for goshawks, living there in abundance. (Webster's New Geographical Dictionary, 1988, p102 & Room, Brewer's Dictionary of Names, 1992, p42)
Forms of energy that are constantly and rapidly renewed by natural processes such as solar, ocean wave, and wind energy. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A novel composition, device, or process, independently conceived de novo or derived from a pre-existing model.
Publications printed and distributed daily, weekly, or at some other regular and usually short interval, containing news, articles of opinion (as editorials and letters), features, advertising, and announcements of current interest. (Webster's 3d ed)
Celestial bodies orbiting around the sun or other stars.
The study of the structure, growth, function, genetics, and reproduction of bacteria, and BACTERIAL INFECTIONS.
Instruments or technological means of communication that reach large numbers of people with a common message: press, radio, television, etc.
Contamination of the air, bodies of water, or land with substances that are harmful to human health and the environment.
A condition with multiple tumor-like lesions caused either by congenital or developmental malformations of BLOOD VESSELS, or reactive vascular proliferations, such as in bacillary angiomatosis. Angiomatosis is considered non-neoplastic.
Places for cultivation and harvesting of fish, particularly in sea waters. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The suborder of aquatic CARNIVORA comprising the WALRUSES; FUR SEALS; SEA LIONS; and EARLESS SEALS. They have fusiform bodies with very short tails and are found on all sea coasts. The offspring are born on land.
The study of the origin, structure, development, growth, function, genetics, and reproduction of organisms which inhabit the OCEANS AND SEAS.
A republic in southern Africa, the southernmost part of Africa. It has three capitals: Pretoria (administrative), Cape Town (legislative), and Bloemfontein (judicial). Officially the Republic of South Africa since 1960, it was called the Union of South Africa 1910-1960.
The family Phocidae, suborder PINNIPEDIA, order CARNIVORA, comprising the true seals. They lack external ears and are unable to use their hind flippers to walk. It includes over 18 species including the harp seal, probably the best known seal species in the world.

Diseases, lesions and malformations in the long-beaked common dolphin Delphinus capensis from the Southeast Pacific. (1/8)

Miscellaneous lesions of the head, skull, teeth, trunk, appendages, skin and genital tract were observed in 120 of 930 long-beaked common dolphins Delphinus capensis taken in fisheries off Peru between 1985 and 2000. Seven subsamples were defined according to the varying field sampling protocols. Forty-two dolphins showed at least 2 types of injuries or diseases affecting 1 or more organs. The majority (5 of 7) of traumas encountered were diagnosed as caused by violent, fisheries-related interactions, and the skin in 20.4 % of specimens (n = 54) showed healed scars from such interactions. Prevalences of malformations and traumas of crania (n = 103) were 2.9 and 1.9%, respectively. Lytic cranial lesions were present in 31.1% of dolphins (n = 103) and accounted for 84.2% of all bone injuries. Skull damage diagnostic for Crassicauda sp. infestation was encountered in 26.5% of dolphins (n = 98) and did not differ among sex and age classes. Crassicauda sp. and tooth infections were responsible for, respectively, 78.8 and 6.1% of the lytic lesions. Adult dolphins showed a high prevalence of worn and broken teeth (35%, n = 20) as well as damaged alveoli (20%, n = 70). Prevalence of 'paired teeth', a congenital condition, was 9.4% (n = 32). Lesions of the head, body and appendages were present in 10 dolphins and included traumas, deformations (e.g. scoliokyphosis and brachygnathia) and chronic mastitis. Ovarian cysts suggestive of follicular cysts were observed in 1 of 24 females. Chronic orchitis affected 1 of 78 males. Of 12 dolphins 2 had vesicular lesions of the penis. Prevalence of cutaneous lesions, abnormalities and scars ranged between 1.8% (n = 56) and 48.2% (n = 27).  (+info)

Comparative anatomy of the foramen ovale in the hearts of cetaceans. (2/8)

The structure of the cardiac foramen ovale from 17 species representing six cetacean families, the Monodontidae, Phocoenidae, Delphinidae, Ziphiidae, Balaenidae and the Balaenopteridae, was studied using the scanning electron microscope. Eight white whale fetuses (Delphinapterus leucas) and a narwhal fetus (Monodon monoceros) represented the Monodontidae; one fetal and nine neonatal harbour porpoises (Phocoena phocoena) and a finless porpoise fetus (Neophocoena phocoenoides) represented the Phocoenidae; two white-beaked dolphin fetuses (Lagenorhynchus albirostris), four fetal and one neonatal Atlantic white-sided dolphins (Lagenorhynchus acutus), a Risso's dolphin fetus (Grampus griseus), two common bottle-nosed dolphin neonates (Tursiops truncatus), a female short-beaked common dolphin fetus (Delphinus delphis), four killer whale fetuses (Orcinus orca) and two long-finned pilot whale fetuses (Globicephala melas) represented the Delphinidae; two northern bottlenose whale fetuses (Hyperoodon ampullatus) represented the Ziphiidae; one bowhead whale fetus (Balaena mysticetus) represented the Balaenidae and five Common minke whale fetuses (Balaenoptera acutorostrata), one blue whale fetus (Balaenoptera musculus), nine fin whale fetuses (Balaenoptera physalus) and four humpback whale fetuses (Megaptera novaeangliae) represented the Balaenopteridae. The hearts of an additional two incompletely identified toothed and four baleen whale fetuses were also studied. In each species the fold of tissue derived from the cardiac septum primum and subtended by the foramen ovale had the appearance of a short tunnel or sleeve which was fenestrated at its distal end. In the toothed whales the tissue fold was tunnel-shaped with the interatrial septum as the floor whereas in baleen whales it was more sleeve-like. In toothed whales thin threads extended from the fold to insert into the interatrial septum whereas a network of threads covered the distal end of the sleeve in the baleen whales. Similar structures were present in the corresponding cardiac tissues of neonatal Hippopotamidae.  (+info)

The use of carcasses for the analysis of cetacean population genetic structure: a comparative study in two dolphin species. (3/8)


Bubbles in live-stranded dolphins. (4/8)


Seascape genetics of a globally distributed, highly mobile marine mammal: the short-beaked common dolphin (genus Delphinus). (5/8)


History of expansion and anthropogenic collapse in a top marine predator of the Black Sea estimated from genetic data. (6/8)

Two major ecological transitions marked the history of the Black Sea after the last Ice Age. The first was the postglacial transition from a brackish-water to a marine ecosystem dominated by porpoises and dolphins once this basin was reconnected back to the Mediterranean Sea (ca. 8,000 y B.P.). The second occurred during the past decades, when overfishing and hunting activities brought these predators close to extinction, having a deep impact on the structure and dynamics of the ecosystem. Estimating the extent of this decimation is essential for characterizing this ecosystem's dynamics and for formulating restoration plans. However, this extent is poorly documented in historical records. We addressed this issue for one of the main Black Sea predators, the harbor porpoise, using a population genetics approach. Analyzing its genetic diversity using an approximate Bayesian computation approach, we show that only a demographic expansion (at most 5,000 y ago) followed by a contemporaneous population collapse can explain the observed genetic data. We demonstrate that both the postglacial settlement of harbor porpoises in the Black Sea and the recent anthropogenic activities have left a clear footprint on their genetic diversity. Specifically, we infer a strong population reduction (~90%) that occurred within the past 5 decades, which can therefore clearly be related to the recent massive killing of small cetaceans and to the continuing incidental catches in commercial fisheries. Our study thus provides a quantitative assessment of these demographically catastrophic events, also showing that two separate historical events can be inferred from contemporary genetic data.  (+info)

What caused the UK's largest common dolphin (Delphinus delphis) mass stranding event? (7/8)


Identification of a novel cetacean polyomavirus from a common dolphin (Delphinus delphis) with Tracheobronchitis. (8/8)


Agazzi S., Bearzi G. 2005. Diet overlap between short-beaked common dolphins and large tuna in eastern Ionian Sea inshore waters: insight from scales of fish prey sampled during surface foraging. European Research on Cetaceans 19 (on CD-ROM).. Agazzi S., Bearzi G., Costa M., Bonizzoni S., Politi E. 2008. Abundance trend of short-beaked common dolphins in the eastern Ionian Sea: one of the lest central Mediterranean stocks is vanishing. Proceedings of the 22nd Annual Conference of the European Cetacean Society. Egmond aan Zee, The Netherlands, 10-12 March 2008.. Agazzi S., Bearzi G., Politi E. 2004. Short-beaked common dolphin prey species in the eastern Ionian Sea: insight from fish scales sampled during surface foraging. European Research on Cetaceans 15:351-353.. Andrés C., Gonzalvo J. 2019. Common bottlenose dolphin (Tursiops truncatus) interaction with fish farms in the Gulf of Ambracia, Western Greece.. World Marine Mammal Conference WMMC. Barcelona (Spain) Dec 9-12. 2019. Bearzi G. 2000. ...
Delphinus capensis species guide. Found in many coastal waters across the world, long-beaked common dolphins may be found in groups containing thousands of individuals.
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An early morning walk along a water channel through an industrial area turned up a few nice birds, including Whimbrel, Black-crowned Night-heron, Snowy Egret, and a Caspian Tern. A California Towhee was feeding its young on a fence behind the motel. We crossed over the hills to the coast, which we first encountered at Rockaway Beach, south of Pacifica. There, we encountered for the first time the incredible richness of the coastal bird life, with lots of gulls (first life bird: the oh-so-abundant Western Gull) and such goodies (for a midwesterner) as Brown Pelicans, lots of Western Grebes, Surf Scoters, a Pacific Loon, a Black Oystercatcher, and some Pigeon Guillemots. Furthermore, there were Harbor Seals, and even some dolphins (possibly all gray, long-snouted with a white snout tip, and a prominent recurved dorsal fin, indicating either Bottlenose or Common Dolphin, both unusual this far north). A short drive north brought us into San Francisco to Lake Merced, where a Red Phalarope had been ...
Further to a damning report last year which revealed damage to vehicles from potholes and bad road surfaces amounted to £320 million in 2006, 2007 showed little improvement according to figures released by the AA motoring organisation last weekend. The latest statistics show that 12% or 120,000 out of all of the UKs one million potholes are not being filled by local councils, which means that repair bills are now soaring every year because of the lack of maintenance by government authorities. Since 1996, the number of claims has soared by 78% in London alone, by 42% in England and by 70% in Wales.. This presents a worrying situation for motorists says TyreSafe as there are signs that a turnaround in the level of maintenance of the UKs roads is still a long way off. It is estimated by the Local Government Association that it would need another £200m a year to reach the target the government has set for filling in potholes by 2010.. Motorists are most at risk from potholes in hours of darkness ...
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Two UK College of Agriculture, Food and Environment faculty members are named as fellows of the American Association for the Advancement of Science.
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The common dolphins underwent centuries of evolution to move from terrestrial to aquatic mammals. These mammals share much of their evolution with the other members of the Cetacea. Various genes went through positive selection, or Darwinian selection, to be in the form they take today. Numerous studies show the about 2.26%-4.8%, around 376 genes, of genes were selected for with positive selection. This gene selection is believed to help the overall system development, pattern of specification process, and mesoderm development.[6] Morphological evolution is evident as the Delphinus form is significantly different than the body of the Pakicetus. In dolphins, there is a overrepresentation in genes of MET, FOXP2, TRIM63, FOXO3, CD2, and PTCH1 which are possibly responsible for the morphological evolution. Evidence shows that there could be changes in transcription factors, expression patterns, and in protein function that is also responsible for the morphological changes.[7] Adapting to the aquatics ...
Passengers on board Capt. Daves Dolphin and Whale Safari tour boat were treated to a rare sight this past weekend when around 1,000 common dolphins began to stampede off Dana Point in Southern California. The unusual event happened on Saturday...
Last week the National Scientific Center of Marine Biology FEB RAS (NSCMB FEB RAS) received the first blood samples collected from the marine mammals - one common dolphin and two bottle-nosed dolphins, in the frame of cooperation between the NSCMB FEB RAS and the Zoo Veterinary Department of the Primorsky Aquarium - Branch of NSCMB FEB RAS. Inessa Dyuizen, the Corresponding Member of the Russian Academy of Sciences, the holder of Habilitation degree in Medicine and the expert in the field of the molecular and cell neurobiology says that the marine mammals blood samples the Primorsky Aquarium have provided will be used for in-depth clinical study.. At the present, marine mammals are the most unexplored animals in the world, Inessa Dyuizen emphasizes. Our collaboration in research will allow scientists to obtain important biological material for future discoveries and the Primorsky Aquarium with its potential, on that score, gives a wide field for research.. In addition, Inessa Dyuizen ...
Two of the biggest corporations in Cancun and the Riviera Maya are teaming up to provide instructional and environmental classes to native youths.. Delphinus and Xcaret are providing academic visits to college students to each park throughout the 2015 school year. The academic visits will embody more than 7,000 college students and their lecturers over year. The visits, which are to teach native youngsters about the atmosphere of Quintana Roo, will embrace interaction with dolphins, among different activities.. Carlos Constandce Madrazo, Vice President of Experiences Xcaret and Rodrigo Constandse Córdova, director of Delphinus, say that the aim is to show youngsters respect for nature, which can cause them to promote sustainable growth.. Secretary of Education and Culture, José Alberto Alonso Ovando, explains that the aim of the Delphinus-Xcaret venture, Is to form better citizens in each way and particularly, do better for the environment, something that is a matter of concern for ...
Succulent annual herb 10 cm - 0.8 m tall Leaves: alternate, 7.5 - 12.5 cm long, lance-shaped to spatula-shaped, wavy-toothed to lobed. Flowers: pale lavender to yellowish white, 5 mm wide. Petals four. Stamens six. Fruit: a pod, 8 mm - 2 cm long, with a somewhat flattened beak. The pod is divided into two dissimilar joints: a small, cylindrical lower joint and a 3 - 9 mm wide, four-angled, egg-shaped or lance- egg-shaped upper joint (see Similar Species). The pods are corky when dry. Stems: upright to spreading, giving the plant a bushy appearance. Similar species: When the upper joint of the pod is 3 - 5 mm wide, lance- egg-shaped and long-beaked, then the plant is referred to as Cakile edentula ssp. edentula var. lacustris. When the upper joint of the pod is 5 - 9 mm wide, egg-shaped and short-beaked, then the plant is referred to as C. edentula ssp. edentula var. edentula.. Flowering: June to late November. Habitat and ecology: A species of coastal sands. In the Chicago Region, this plant is ...
Vivergo Fuels, the UKs largest producer of bioethanol, is warning that the UKs bioethanol industry and the thousands of jobs it supports are at risk, unless the Government backtracks on a recent recommendation.. Vivergo welcomes the UK governments recent proposal to increase renewables in transport, but it has major concerns around proposals to limit the amount of crops used to produce fuels such as ethanol via a so called crop cap. The Department for Transport recently proposed a low cap of 2% compared to a European standard of 7%, although it also consulted on as low as 0%.. In a statement, Vivergo said that a crop cap of 2% or less would not only severely impact on the UKs ability to effectively implement E10 - a greener fuel containing 10% bioethanol - but it could also lead to the closure of the industry.. According to the company, this would risk thousands of jobs throughout Vivergos supply chain, affect the livelihoods of farmers that sell feed wheat for its production and buy its ...
Teesside is set to become the UKs first ever hydrogen transport hub, under plans announced by transport secretary Grant Shapps today. (30/9/20).. Bringing together representatives from academia, industry and government to drive forward the UKs plans to embrace the use of hydrogen as an alternative fuel could, say ministers, create hundreds of jobs while seeing the region become a global leader in the green hydrogen sector.. The DfT have commissioned a masterplan to understand the feasibility of the hub and how it can accelerate the UKs ambitions in hydrogen. The masterplan, expected to be published in January, will pave the way for exploring how green hydrogen could power buses, lorries, rail, maritime and aviation transport across the UK.. The aim would then be for the region to become a global leader in industrial research on the subject of hydrogen as a fuel, as well as research and development hub for hydrogen transport more generally, attracting hundreds of jobs and boosting the local ...
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The Big Lemon is launching the next stage of its transition to an all electric future today (Saturday) with plans for the UKs first all-electric route network. Last year we launched the UKs first solar-powered bus last year, and currently has three electric vehicles powered by solar panels on the roof of the bus depot…
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Discussions about the creative industries have traditionally been plagued by fuzzy definitions. Seemingly which industries were classified as creative and which were not was a political judgement - not something informed by data. However, our 2013 report A [4]Dynamic Mapping of the UKs Creative Industries [5] identified in the data a distinguishing characteristic of the creative industries, namely that workers doing creative jobs (defined as satisfying a set of explicit criteria) account for a high proportion of their workforce ( their creative intensity).[1]. This approach to identifying a set of industries as creative has the additional attraction of providing a clear definition of the creative economy within which the creative industries sit - namely, the sum of creative jobs outside the creative industries and all jobs (creative and non-creative) in the creative industries. The Department for Culture, Media and Sport (DCMS) adopted this methodology for classifying specific ...
A £500m biomass plant has been backed by the Government and looks likely to be the UKs first fully operational centre. - edie news centre
Plans to create the UKs first living wage towns. Fair work minister Keith Brown said the new proposals will boost the income of those on low pay.
HEART disease symptoms include chest pain, shortness of breath and fainting. Here are five of the risk factors for the condition to avoid. read more ||| Source:: The Daily Express
For the UK to be credible as a COP26 host, it should end all overseas and domestic finance and subsidies for oil and gas production.
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An NSA document newly published today suggests two interesting facts that havent previously been reported. The Intercept, which published the document, highlighted that in it the NSA expresses fear that it may be teaching Iran how to hack, but there are two other points in the document that merit attention. One concerns the spy tool \[…\]
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Leave and recover your power, your agency, your self-respect - as an individual, a country, a race.. Of course that was and is irrational. The problem is and has been domestic - all of the crazed voters who put some bizarre ideology or ideation over their clear self interest and the sociopathic Conservatives that they duly elected. It is the Conservatives that the UK needs to leave, not the E.U. This government and their supporters are in a terminal snit. Sad for the rest.. Hope the USA avoids similar derangement. 2020 will be the tell ...
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CCC boss Matthew Bell argues the UK is making encouraging process, but warns the government will soon need to deliver a wide-ranging new decarbonisation plan
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Just as the UK outdoes the US in spades by licensing almost anyone that so desires to offer international phone service from the UK, transatlantic cable capacity is coming under pressure because of the Internet, MFS Communications Inc, one of those licensees, and the company planning to partner Cable & Wireless Plc on its second […]
The purpose of the first in our Annual Findings Series is not only to present and share early findings, but, as importantly, to show the future potential of the study. Early findings publication Download (.pdf) Early findings summary Download (.pdf) Findings include:
Description. As the Bremain and Brexit campaigns gear up for the last three days of campaigning, the outcome remains far from clear. Recent polls show the vote tied at 50/50. Both sides of the argument have heralded the referendum as a unique event. Unique as it may be for this generation of UK citizens, referenda of this kind are not singular. In fact, the UKs referendum on EU membership, to be held on 23 June, shares a number of remarkable parallels with Spains in-out NATO referendum, held thirty years earlier on 12 March 1986. Lets review the similarities one-by-one. The question: ... As the Bremain and Brexit campaigns gear up for the last three days of campaigning, the outcome remains far from clear. Recent polls show the vote tied at 50/50. Both sides of the argument have heralded the referendum as a unique event. Unique as it may be for this generation of UK citizens, referenda of this kind are not singular. In fact, the UKs referendum on EU membership, to be held on 23 June, ...
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Vectura of the UK has acquired fellow respiratory specialist Activaero of Germany for £108 million and raised £52 million to help pay for the deal. - News - PharmaTimes
Rudding Park in Harrogate has been crowned Hotel of the Year at at the annual VisitEngland Awards for Excellence which celebrates the best of English tourism.
The present health crisis in the UK is a national issue and one that employers need to play an active role in managing. Among the several factors contributing to its current state, obesity and stress...
UK - The Department of Environment, Food and Rural Affairs (Defra) is one of four government departments, which has provisionally agreed to cut its spending by an average of 30 per cent over the next four years.
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If you have poor eyesight, a sudden improvement could be a warning sign of diabetes, the UKs Daily Express reports.. High blood sugar causes fluid levels in the eyes to change, and these fluctuations can impact eyesight.. So if your eyesight suddenly seems to be getting better, you should consult a doctor... ...
Researchers from the UKs University of Bristol explain the accuracy of the two main types of coronavirus test, and why it matters for policymakers.
Some argue that the goal of medical rationing should be to focus resources where they will offer the greatest benefit to the greatest number. That is the aim of the UKs rationing plan but its now under fire. Patrick Cox has part 2 of our series.
As of August 2018, the Arabian common dolphin is considered a subspecies of the common dolphin by the Society for Marine ... The La Plata dolphin is the only species of the family Pontoporiidae and genus Pontoporia. These dolphins are known for their ... La Plata dolphins are exclusively marine organisms, however, they are grouped with river-dolphins due to the fact that they ... ISBN 978-2-88032-936-5. "Common Bottlenose Dolphin". WWF. Retrieved 2019-05-13. Huggenberger, S.; Leidenberger, S.; Oelschläger ...
Genus Delphinus: common dolphins *Long-beaked common dolphin, Delphinus capensis. *Short-beaked common dolphin, Delphinus ... Other species kept in captivity are spotted dolphins, false killer whales and common dolphins, Commerson's dolphins, as well as ... Dolphins and porpoises are kept in captivity. Bottlenose dolphins are the most common, as they are relatively easy to train, ... Genus Lissodelphis: right whale dolphin *Northern right whale dolphin, Lissodelphis borealis. *Southern right whale dolphin, ...
Atlantic white-sided dolphin. 0.15 Common dolphin. 0.09 Harbour porpoise. 0.05 .mw-parser-output .quotebox{background-color:# ... An analysis of feces of two dolphin and one whale species led to the discovery of a new species of Helicobacter, namely ... The most prolific consumer was the black durgon (Melichthys niger), which could even discern the postures dolphins assumed ... Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, ...
"Short-Beaked Common Dolphin". "Short-Finned Pilot Whale". "Risso's Dolphin". "Killer Whale Spotted Off Nova Scotia's Southwest ... extirpated Short-beaked common dolphin (Delphinus delphis) Short-finned pilot whale (Globicephala macrorhynchus) Risso's ... dolphin (Grampus griseus) Orca (Orcinus orca) Striped dolphin (Stenella coeruleoalba) "Status and Ecology of Nova Scotia Bat ...
Fraser's dolphin. Delphinidae. Least concern Tursiops truncatus. common bottlenose dolphin. Delphinidae. Least Concern ... Common name Family Conservation. concern Dasypus novemcinctus mexicanus. nine-banded armadillo. common long-nosed armadillo. ... Common name Family Conservation. concern Tadarida brasiliensis. Mexican free-tailed bat. Brazilian free-tailed bat. Molossidae ... rough-toothed dolphin. Delphinidae. Least concern Lagenodelphis hosei. ...
... short-beaked common dolphin, striped dolphin, Atlantic spotted dolphin and the common bottlenose dolphin. Dolphin species found ... spinner dolphin, rough-toothed dolphin, bottlenose dolphin, pantropical spotted dolphin and striped dolphin. Shortly after ... pantropical spotted dolphin, Clymene dolphin, spinner dolphin, and the rough-toothed dolphin. Several sea turtles live along ... The northern bottlenose whale and the long-finned pilot whale are also common along the New England coast. Dolphins are common ...
Stylized crocodiles, dolphins, birds and dragons were common motifs. If a native vessel was unarmed, it was usually regarded by ... The more common guns can be bought for under $1,000. Replicas and forgeries of lantaka are known to exist in considerable ...
Abundance, distribution and behaviour of common dolphins, Delphinus spp., off north-eastern Venezuela: implications for ... The seasonal productivity drives the abundance of sardines and attract dolphins. The waters are also home to several species of ...
Common bottlenose dolphins have been observed using another technique. One dolphin acts as a "driver" and herds a school of ... A team of common bottlenose dolphins cooperate to make schooling fish jump in the air. In this vulnerable position the fish are ... The driver dolphin slaps its fluke which makes the fish leap into the air. As the fish leap, the driver dolphin moves with the ... Some predators, such as dolphins, hunt in groups of their own. One technique employed by many dolphin species is herding, where ...
"Common Dolphin stranding, King George Sound". 1989. Retrieved 27 April 2008. "Common Dolphin stranding, Between King George ... Dolphins are also found in the area, and are occasionally caught and drowned in fishing nets or stranded. The common dolphin ... Media related to King George Sound at Wikimedia Commons Coordinates: 35°02′S 117°56′E / 35.033°S 117.933°E / -35.033; ... common greenshanks, yellow-billed spoonbill, white-faced heron and stilts. Other birds that are commonly seen around the sound ...
... and common dolphins, Commerson's dolphins, as well as rough-toothed dolphins, but all in much lower numbers than the bottlenose ... Family Delphinidae: oceanic dolphins *Subfamily Delphininae *Genus Delphinus *Short-beaked common dolphin, Delphinus delphis ... When the dolphins are in the bay, it is quickly closed off with nets so the dolphins cannot escape. The dolphins are usually ... Also, fewer than ten pilot whales, Amazon river dolphins, Risso's dolphins, spinner dolphins, or tucuxi are in captivity. Two ...
Common bottlenose dolphins and loggerhead sea turtles frequent the area. Marine birds including black-headed gull, common tern ...
Dolphins are also common in the waters surrounding the island. Directory of marine and coastal protected areas in the ...
2 February 2012). "Seascape genetics of a globally distributed, highly mobile marine mammal: the short-beaked common dolphin ( ... Karen A Stockin (2008), The New Zealand common dolphin (Delphinus sp.) : identity, ecology and conservation, Wikidata ... Karen A Stockin (2008), The New Zealand common dolphin (Delphinus sp.) : identity, ecology and conservation, Wikidata ... the common dolphin (genus Delphinus)". Molecular Ecology. 21 (19): 4854-4871. doi:10.1111/J.1365-294X.2012.05728.X. ISSN 0962- ...
Popularized by the Miami Dolphins in the 1970s, now common. Used in situations where a forward pass is expected. no-huddle ... For example a common alignment would be E-G-C-G-T-T-E. under center Refers to the quarterback lining up directly behind the ... Common types of coverage: Cover zero - strict man-to-man coverage with no help from safeties (usually a blitz play with at ... The most common configurations of a front seven are 4-3 (four down linemen, three linebackers) and the 3-4 (three linemen and ...
Common and bottleneck dolphins have been reported in the vicinity. The diversity of marine flora and fauna reflects that of the ...
Marine mammal predators include longfin pilot whales and common dolphins. Fish predators include striped bass, bluefish, sea ... The anatomy of the common squid: Loligo pealii, Lesueur. Leiden, 92 pp. Longfin Inshore Squid NOAA FishWatch. Retrieved 4 ...
Common designs are a heart, Playboy bunny, and dolphins; but many different designs exist. These are typically sold on a roll ... One of the common uses for tanning beds is the option of tanning completely nude to reduce the appearance of tan lines. In ... Some of the common tan lines associated with a farmer's tan include: elbows (from a short-sleeve shirt) neck (from shirt collar ... "Soccer tan" - a stripe of tan from the lower thighs to the bottom of the knees common to soccer players; the upper thighs and ...
Miami Dolphins bio Media related to Jason Ferguson at Wikimedia Commons. ... "Dolphins bring back Ferguson". ESPN. March 10, 2010. Retrieved January 3, 2020. Kelly, Omar (June 13, 2009). "Dolphins NT Jason ... That following off-season he was traded to the Miami Dolphins in exchange for a sixth round draft pick in the 2009 NFL Draft (# ... Rejoining Bill Parcells on a third team, Ferguson became the Dolphins' starting nose tackle in 2008. He has since appeared in ...
The Pembrokeshire coast is home to common porpoises and bottlenose dolphins. The effects of the oil and chemical pollution on ... common shags and Eurasian oystercatchers. Birds at sea were hit hard during the early weeks of the spill, resulting in ...
The bay also has a resident population of common bottlenose dolphins. Biscayne Bay is a shallow lagoon with little vertical ... Common Bottlenose Dolphin (Tursiops truncatus truncatus) Biscayne Bay Stock (PDF) (Report). NOAA. April 2014. Retrieved 5 ... Loggerhead turtles are the most common sea turtle species and account for nearly all of the turtle nests in the park. Nest ... Green iguanas, cane toads, black rats, lionfish, fire ants, oscars and brown basilisk lizards are common in the park. The ...
Dolfijnendelta: Formerly known as the lagoon, this is the living area for common bottlenose dolphins, most dolphins live in ... Bruinvisbaai: Harbour porpoise DolfijndoMijn: Main show area for common bottlenose dolphins. Set in the blue dome, which has a ... The show was based around the dolphin called Spetter in the Dolfinarium. Spetter was the first dolphin born by artificial ... While shooting the series, a plastic model of the dolphin was at times used so as to not exhaust the animal. A subsequent ...
When in groups, they tend to swim in a more random fashion than dolphins who swim together. Dolphins are not very common but ... The common seal come in various colours with spots and have their pups in May, June and July. They are of a similar colour to ... the adults and can swim from birth, The grey seal, which is more common in this area having one of the largest British ... A by Adcock et al Media related to Pentland Firth at Wikimedia Commons Pentland Firth - Tides Tidal Diagrams https://www. ...
Common bottlenose dolphins and loggerhead sea turtles also habitate the area. Aquatic plants growing around the Baixa include ... Marine birds including black-headed gull, common tern, Cory's shearwater, Eurasian whimbrel, great black-backed gull, Kentish ...
Dolphins are predominantly Atlantic Bottlenose Dolphins with Common dolphins occasionally seen. The American Princess is the ... From late April through mid November, the American Princess departs on Whale and Dolphin Watching tours out of Riis Landing. ... "New York Whale Watching - Whale, Dolphin, Bird, Turtle Watching NY - July 4th Fireworks New York". Retrieved 28 July 2016. CS1 ...
Short-beaked common dolphins occur in large numbers in Northern Portugal. Dolphins show themselves by porpoising and bowriding ... Silva, M.A. "Diet of common dolphins Delphinus delphis off the Portuguese continental coast" (PDF). Universidade dos Açores. ... The OMARE Marine Observatory also identified the Risso's dolphin and the Atlantic bottlenose dolphin in local waters. Stranded ... The rocky cliffs, common features downstream of the Minho's estuary, disappear in Póvoa de Varzim, giving way to a coastal ...
ponticus (Black Sea Common Dolphin, Common Dolphin, Short-beaked Common Dolphin)". IUCN Red List of Threatened Species.old-form ... ponticus (Black Sea Bottlenose Dolphin, Common Bottlenose Dolphin)". IUCN Red List of Threatened Species.old-form url "Phocoena ... Common Carp The Common Carp's native range extends to The Black Sea along with the Caspian Sea and Aral Sea. Like the Zebra ... Marine Mammals and marine megafaunas Marine mammals present within the basin include two species of dolphins (common and ...
Villa Rio's mascot is a common bottlenose dolphin. (in Portuguese) History at the official website Archived January 16, 2007, ...
Family: Delphinidae (marine dolphins) *Genus: Tursiops *Common bottlenose dolphin Tursiops truncatus LR/lc ... Dolphins are national animal of Greece although cetacean biodiversity in the Mediterranean is not as diverse as in nations ... The order Cetacea includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a ... Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, ...
Silva, M. A. (1999). "Diet of common dolphins, Delphinus delphis, off the Portuguese continental coast" (PDF). Journal of the ... common dolphins and the musky octopus, Eledone moschata. Bandfish may have taken up an ecological niche burrowing and eating ...
Media related to Common bottlenose dolphin at Wikimedia Commons View the dolphin genome on Ensembl View the turTru2 genome ... but now the Indo-Pacific bottlenose dolphin and Burrunan dolphin have been split from the common bottlenose dolphin. While ... The common bottlenose dolphin is the most familiar dolphin species due to the wide exposure it receives in captivity in marine ... Dolphins search for prey primarily using echolocation, which is a form of sonar. The diet of common bottlenose dolphin pods ...
... dolphin: …species are the common and bottlenose dolphins (Delphinus delphis and Tursiops truncatus, respectively). The ... Other articles where Common bottlenose dolphin is discussed: ... In dolphin. …species are the common and bottlenose dolphins ( ... In bottlenose dolphin. The common bottlenose dolphin (Tursiops truncatus), which is the most widely recognized dolphin species ... bottlenose dolphinA newborn bottlenose dolphin calf swimming alongside its mother at SeaWorld amusement park, San Diego, ...
... an acrobatic dolphin that can be seen at times leaping clear out of the water. ... Learn all about the inquisitive and sociable Common Dolphins, ... Common dolphins are very acrobatic and can be at times be seen ... Marine Mammal Spotlight - Common Dolphins. Posted in Recent Sightings; Tagged Kaikoura, Dolphins, whale watching; Posted 2 ... Adult common dolphins measure between 1.7 to 2.7 metres long and weigh about 150kgs. Their lifespan is thought to be between 25 ...
Reproduction of the Black Sea bottlenose dolphin. In: V.E. Sokolov and E.V. Romanenko (eds), The Black Sea Bottlenose Dolphin ... Dolphins, Porpoises and Whales of the World. The IUCN Red Data Book. IUCN, Gland and Cambridge. viii + 429pp. ... Dolphins, Whales and Porpoises: 2002-2010 Conservation Action Plan for the Worlds Cetaceans. IUCN/SSC Cetacean Specialist ... In: V.E. Sokolov and E.V. Romanenko (eds), The Black Sea Bottlenose Dolphin Tursiops truncatus ponticus: Morphology, Physiology ...
Common Dolphin (Delphinus Delphis), Mammals Art Print by Encyclopaedia Britannica. Find art you love and shop high-quality art ... CategoriesSubjectsAnimalsSea Life & Sea CreaturesDolphins & PorpoisesCollectionsOther CollectionsEncyclopaedia Britannica ...
animal 9,872dolphin 180magnus lundgren 6photo by 902www aquagraphics com 1 ...
The common bottlenose dolphin is widespread and abundant and mainly found in temperate and tropical waters. It is perhaps one ... One study of strandings of common dolphins, bottlenose dolphins and harbour porpoises in north-western Spain looked at various ... relatively low compared to other cetaceans such as common dolphins or harbour porpoises. Dolphins may get caught by not seeing ... Intestinal helminth fauna of bottlenose dolphin Tursiops truncatus and common dolphin Delphinus delphis from the western ...
Levels and profiles of POPs (organochlorine pesticides, PCBs, and PAHs) in free-ranging common bottlenose dolphins of the ... Biopsies; Bottlenose dolphins; Canary Islands; Free-ranging dolphins; Persistent organic pollutants; Tursiops truncatus ... because of the presence of bottlenose dolphins (Tursiops truncatus). We selected this resident population of dolphins as a ...
First report on abundance and distribution of common bottlenose dolphins (Tursiops truncatus) in the NATURA 2000 area, Istria, ... Bearzi, G., Fortuna, C.M. and Reeves, R.R. (2008) Ecology and conservation of common bottlenose dolphins Tursiops truncatus in ... The abundance of common bottlenose dolphins (Tursiops truncatus) in the former special marine reserve of the Cres-Lošinj ... Seasonal abundance and distribution patterns of common bottlenose dolphins (Tursiops truncatus) near St. Joseph Bay, Florida, ...
... largely confusion among dolphins of the genera Delphinus and Stenella) in the past had led to erroneous assumptions of ... There is no evidence that dolphins of the genus occur in the Gulf of Mexico. Reports of common dolphins from most of the ... Caldwell DK (1955) Notes on the spotted dolphin, Stenella plagiodon, and the first record of the common dolphin, Delphinus ... Perrin WF (2002) Common dolphins Delphinus delphis, D. capensis, and D. tropicalis. In: Perrin WF, Würsig B, Thewissen JGM (eds ...
Below is a picture of the common dolphin from yesterday (photo provide by USCG). As you will notice, the dorsal fin is much ... tagged with Common Dolphin, Gloucester Harbor, Marine Mammal Stranding Coordinator, Mendy Garron *gloucester ... Below is a picture of the common dolphin from yesterday (photo provide by USCG). As you will notice, the dorsal fin is much ... Mendy Garron Marine Mammal Stranding Coordinator Reports On Common Dolphin In Gloucester Harbor Yesterday. Posted on March 18, ...
Distribution Model for Common Dolphins near the Island of Samos. by Archipelagos / Wednesday, 23 November 2016 / Published in ... In the case of common dolphins, data from specially dedicated boat surveys is used. This model could bring us insights into the ... The aim of this project is to develop a species distribution model (SDM) for common dolphins which takes into account dynamic ... Marine Mammals Dolphins and Porpoises Whales Seals Terrestrial Conservation Island Fauna Forests & Flora Freshwater Ecosystems ...
... dolphins. Bycatch estimates of common dolphin were similar using statistical approaches suggesting that either of these methods ... Our work shows that rates of common dolphin bycatch in the pole-and-line tuna fishery in the Azores are low, despite ... Cetacean bycatch has been documented in the pole-and-line tuna fishery in the Azores with common dolphins being the species ... Generalized additive modelling results suggest a significant relationship between common dolphin bycatch and duration of ...
The significant difference between them is that dolphins have a beak, a melon-shaped head and a dorsal, while porpoises have ... dolphins and porpoises belong to the group of toothed whales that have skin, not scales. ... What do Humans and dolphins have in common. ?. Asked by Wiki User ... Dolphins have teeth, which they use to catch fish.. *Dolphins ... Dolphins have adapted to their environment in the following ways:. *Fin shape: a dolphins tail goes up and down to help it ...
The Bottlenose Dolphin can also be trained to perform in marine centres and can be swum with and stroked by humans. This ... The Bottlenose Dolphin is the largest of the beaked dolphins and lives in temperate and tropical seas worldwide. ... category consists of questions about the Bottlenose Dolphins habi... ... What does a camargue horse and a bottlenose dolphin have in common. ?. Asked by Wiki User ...
Common dolphins adapt to bay life.. Posted Wed, 28 Sep 2016 09:50:00 GMT by Dave Armstrong ... When dolphins are rescued in various countries, the car given seems to be ill-considered. We are simply looking at the ...
Common dolphins adapt to bay life.. Posted Wed, 28 Sep 2016 09:50:00 GMT by Dave Armstrong ... When dolphins are rescued in various countries, the car given seems to be ill-considered. We are simply looking at the ...
After the lookouts confirmation we went to the sea and found a group of Common ... Fun times with Common Dolphins!. By Vanessa Costa30/09/2019Common Dolphins ... Common DolphinsHumpback Whales 12/03/2020 Rainy mornings, are not an issue !. ... During the tour we could use the hydrophone and hear the Common Dolphins vocalizations, so we leave you with a record of these ...
This guide explains some natural wild dolphin behaviour ... on Queenslands Moreton Island is famous for its guest dolphin ... Wild Dolphin Common Behaviours. The guide below explains just a few of the dolphins natural behaviours:. Puffer fish play. ... Wild Dolphin Viewing is dependant on dolphin attendance (the dolphins are wild, therefore arrival is not guaranteed, however we ... wild dolphins have been observed giving gifts to our Dolphin Care team at the Tangalooma Island Resort nightly dolphin feeding ...
Discover the types of dolphins you can find in the Bay of Banderas, Puerto Vallarta. Learn more about these intelligent and ... Bottlenose Dolphin. Tursiops truncatus • AKA: Common Bottlenose Dolphin. • Length: 120-168in (3-4.3m). • Weight: approx. 330- ... Common Types of Mexico Dolphins. Swimming with dolphins is one of the most rewarding interactions people can have with nature. ... Pantropical Spotted Dolphin. Stenella attenuata. • AKA: White Spotted Dolphin, Bridled Dolphin. • Length: 60-96in (1.7-2.4m). ...
Chinese River Dolphin, Common Long-Beaked Dolphin, Dolphin, False Killer Whale, False Killer Whale Dolphin, Hourglass Dolphin, ... Irrawaddy Dolphin, Mauis Dolphin, Melon Head Dolphin, Orca, Porpoise, Rissos Dolphin, Spinner Dolphin, WhaleLeave a Comment ... Tag: Common Long-Beaked Dolphin Alis Animal Answers. , Posts. , Common Long-Beaked Dolphin. ... Common Long-Beaked Dolphins Hunting. Dolphins, like bats, use echolocation to navigate and hunt, bouncing high-pitched sounds ...
Found in many coastal waters across the world, long-beaked common dolphins may be found in groups containing thousands of ... which in the long-beaked common dolphin can be up to 10% of the total body size. The long-beak common dolphin generally has a ... two sub-species of long-beaked common dolphin are recognised; D. c. capensis - long-beaked common, and D. c. tropicalis - Indo- ... Both common dolphin species are slender, with a long distinct beak and a high dorsal fin. The most notable difference, as the ...
Few of the common dolphins sampled had died from disease or parasitic infection. POP profiles in common dolphin blubber were ... en] female common dolphins and harbour porpoises from the Atlantic coast of Europe were frequently above the threshold at which ... Bioaccumulation of persistent organic pollutants in female common dolphins (Delphinus delphis) and harbour porpoises (Phocoena ... High PCB levels were recorded in porpoises and common dolphins from European coasts. ...
Read dolphin (aquatic mammal) from The Columbia Encyclopedia, 6th ed. now at Questia. ... dolphin (aquatic mammal) from The Columbia Encyclopedia, 6th ed.. ... Common Dolphin. The common dolphin averages 8 ft (2.4 m) in length and 165 lb (75 kg) in weight. It has a dark blue or black ... The name dolphin, meaning "beaked," is also applied to a species of fish (see dolphin, fish). In the United States dolphins are ...
Dolphins are a common bycatch in fisheries. There are more than 90,000 dolphins estimated to be killed annually in tuna ... which set up standards for a different Dolphin Safe/Dolphin Friendly label by nations that continue to chase and net dolphins ... Dolphin Safe Labels On Canned Tuna Are A Fraud". Forbes. Retrieved 6 May 2019. An account of the dolphin-safe tuna issue in ... Dolphin-safe tuna labeling originates in the United States. The term Dolphin Friendly is often used in Europe, and has the same ...
Common dolphins swim alongside our boat in Dingle Bay, Kerry - Duration: 60 seconds.. *106 views ...
... Journal of the Acoustical Society of America. 131 (2): pp. 1595- ... young adult male common dolphin (Delphinus delphis) cadaver. The specimen was instrumented with tourmaline acoustic pressure ...
Common Dolphin. The Common Dolphin is found in the temperate and tropical waters of every ocean. Their diet is relatively ... Dusky Dolphin. The Dusky Dolphin is a quick and energetic swimmer. In South Africa, these dolphins go up to Walvis Bay in April ... Striped Dolphin. This dolphin is found in temperate, tropical, and subtropical waters around the world. The Striped Dolphin ... Heavisides Dolphin. This species of Dolphin is considered rare. It lives off western coasts of southern Africa (up to1 600 km ...
Long-Beaked Common Dolphin and Bottlenose Dolphin. The California stock of Long-beaked common dolphins are present off the ... Long-beaked common dolphin. Delphinus capensis. California. N. 101,305. 657. ,35.4. Bottlenose dolphin. Tursiops truncatus. ... For long-beaked common dolphin and bottlenose dolphin, an average of 7 animals per group is determined based on sighting data ... For bottlenose dolphin and long-beaked common dolphin, no density estimate is available. Therefore, take numbers for these two ...
As this study relies on archived museum specimens collected from dolphins at time of death, further studies regarding bone ... We analyzed 388 radii from 279 bottlenose dolphins using dual energy X‐ray absorptiometry (DXA), the accepted standard in human ... These results support the use of these findings as a preliminary descriptive data set for BMD in bottlenose dolphins and detail ... No statistically significant differences were observed in BMD measurements for male and female dolphins (t = −1.60, p , .05) or ...
  • Despite this fact, the common dolphin is not thought of as the archetypal dolphin, with that distinction belonging to the bottlenose dolphin due to its popular appearances in aquaria and the media. (
  • The common bottlenose dolphin or Atlantic bottlenose dolphin (Tursiops truncatus) is the most well-known species of the family Delphinidae. (
  • The common bottlenose dolphin is the most familiar dolphin species due to the wide exposure it receives in captivity in marine parks and dolphinaria, and in movies and television programs. (
  • Until recently, all bottlenose dolphins were considered as a single species, but now the Indo-Pacific bottlenose dolphin and Burrunan dolphin have been split from the common bottlenose dolphin. (
  • While formerly known simply as the bottlenose dolphin, this term is now applied to the genus Tursiops as a whole. (
  • The common bottlenose dolphin has a bigger brain than humans. (
  • Numerous investigations of bottlenose dolphin intelligence include tests of mimicry, use of artificial language, object categorization, and self-recognition. (
  • The common bottlenose dolphin is popular in aquarium shows and television programs such as Flipper. (
  • As a very social species, the common bottlenose dolphin lives in groups called pods that typically number about 15 individuals, but group size varies from pairs of dolphins to over 100 or even occasionally over 1,000 animals for short periods of time. (
  • The diet of common bottlenose dolphin pods varies depending on area. (
  • Mating behavior of bottlenose dolphin is polygamous. (
  • bottlenose dolphin Bottlenose dolphin ( Tursiops truncatus ). (
  • bottlenose dolphin A newborn bottlenose dolphin calf swimming alongside its mother at SeaWorld amusement park, San Diego, California, 2009. (
  • The common bottlenose dolphin ( Tursiops truncatus ), which is the most widely recognized dolphin species, is found worldwide in warm and temperate seas. (
  • Bottlenose dolphin ( Tursiops truncatus ) became prevalent cetacean species in Black Sea coastal waters off the Crimea. (
  • The common bottlenose dolphin is perhaps one of the best-known cetaceans. (
  • The common bottlenose dolphin is a widespread and abundant species. (
  • The common bottlenose dolphin ( Tursiops truncatus ) is perhaps one of the best-known cetaceans and likely what most people picture when they think of a dolphin. (
  • The bottlenose dolphin is a light grey to black colour dorsally, with white or cream colour underneath. (
  • The bottlenose dolphin ( Tursiops truncatus M.) local population off west Istria in the North-eastern Adriatic has received no prior study of abundance and distribution despite the habitat's relevance for the preservation of this key species in the marine ecosystem. (
  • The Bottlenose Dolphin is the largest of the beaked dolphins and lives in temperate and tropical seas worldwide. (
  • The Bottlenose Dolphin can also be trained to perform in marine centres and can be swum with and stroked by humans. (
  • However, some, like the bottlenose dolphin, are more common to spot in Mexico's waters, while others make for a rarer but just as special a treat to view. (
  • Studies on marine mammals have measured arterial nitrogen tensions (PN2) exceeding three atmospheres absolute (ATA) in the seal during a single dive [ 1 , 12 ], and repeated diving has shown muscle PN2 levels to exceed four ATA in the bottlenose dolphin [ 13 ]. (
  • Orca Network reports that a bottlenose dolphin, (which normally prefer warmer water and rarely venture into the cold water of Puget Sound) has been seen several times in the vicinity of the Port of Tacoma. (
  • Given that a deceased bottlenose dolphin was also found in June, it could well be that several came north together and the one we are seeing now is the lone survivor. (
  • This bottlenose dolphin was photographed in southern Puget Sound in mid-December. (
  • A bottlenose dolphin for example, replaces its outermost layer of skin every two hours. (
  • Pacific bottlenose dolphin breaches the ocean surface as it leaps and takes a breath. (
  • Pacific bottlenose dolphin hydrodynamically slices the ocean as it surfaces to breathe. (
  • A curious Pacific bottlenose dolphin leaps from the ocean surface to look at the photographer. (
  • On Feb. 10, a dead female bottlenose dolphin washed ashore at Corona Del Mar. Five days later, a dead female common dolphin came ashore there. (
  • The most common dolphin species in captivity is the bottlenose dolphin , while there are around 60 captive killer whales . (
  • [11] The name 'dolphin' is used casually as a synonym for bottlenose dolphin , the most common and familiar species of dolphin. (
  • Two species of bottlenose dolphin exist: the common bottlenose dolphin and the Indo-Pacific bottlenose dolphin. (
  • The bottlenose dolphin features varying shades of gray. (
  • Despite being one of the most common cetaceans in the Mediterranean Ocean, the bottlenose dolphin (Tursiops truncatus) resides in areas close to human beings, and is thus subject to continual conflicts - so much so that in 2006, the International Union for Conservation of Nature (IUCN) declared the subpopulation of this species in the Mediterranean 'vulnerable' after it had decreased by 30% in the preceding 60 years. (
  • Bone Mineral Density of the Common Bottlenose Dolphin Radius: A Primar" by James W. B. Powell, Debbie Duffield et al. (
  • We examined bone mineral density (BMD) in the pectoral flipper of the common bottlenose dolphin, Tursiops truncatus. (
  • Recently researchers at the Bottlenose Dolphin Research Institute conducted a study confirming a link between dolphin vocal emissions, social activities and social signals. (
  • Here we used a dynamic multi-compartment gas exchange model to estimate blood and tissue O 2 , CO 2 , and N 2 from high-resolution dive records of two different common bottlenose dolphin ecotypes inhabiting shallow (Sarasota Bay) and deep (Bermuda) habitats. (
  • A THREE-metre long common bottlenose dolphin was rescued off the beach at Stanley yesterday. (
  • According to the Marine Mammal Protection Act, five different bottlenose dolphin populations encountered along the Atlantic Coast are considered depleted . (
  • Images of the animals observed in the Potomac River are added to the Mid-Atlantic Bottlenose Dolphin Catalog curated by researchers at Duke University. (
  • A bottlenose dolphin breaks the surface near Kennedy Space Center in this 2009 photo released by the United States Department of Fish and Wildlife on March 3, 2011. (
  • The peer-reviewed study, led by a team of scientists from government, academia and nonprofits, which was conducted in August 2011, identified previously unseen health conditions such as lung disease and hormone defects in bottlenose dolphin populations commonly found in Louisiana's Barataria Bay. (
  • A systemic morbillivirus infection was diagnosed postmortem in a juvenile bottlenose dolphin stranded in the eastern North Atlantic Ocean in 2005. (
  • We report a unique morbillivirus that caused documented systemic infection in a bottlenose dolphin from the eastern North Atlantic Ocean. (
  • On July 18, 2005, a juvenile female bottlenose dolphin was stranded alive in Arrieta, Lanzarote (Canary Islands, Spain). (
  • In the last two weeks, the Pacific Marine Mammal Center says five common dolphins and one bottlenose dolphin have washed ashore. (
  • Demographics of the Disappearing Bottlenose Dolphin in Argentina: A Common Species on Its Way Out? (
  • Genetic isolation between coastal and fishery-impacted, offshore bottlenose dolphin (Tursiops spp. (
  • An image reconstructed from CT scans shows how the penis of the common bottlenose dolphin (red) fits within the intricate folds and turns of a bottlenose dolphin vagina. (
  • The less-invasive Bottlenose Dolphin Epigenetic Age Estimation Tool - or BEAT - gets rid of the guess work. (
  • Considered not a fish, dolphins and porpoises belong to the group of toothed whales that have skin, not scales. (
  • The significant difference between them is that dolphins have a beak, a melon-shaped head and a dorsal, while porpoises have none. (
  • In the United States dolphins are often mistakenly called porpoises, a name correctly applied to small, blunt-nosed whales of another family. (
  • The order Cetacean includes the marine mammals commonly known as whales, dolphins, and porpoises. (
  • en] female common dolphins and harbour porpoises from the Atlantic coast of Europe were frequently above the threshold at which effects on reproduction could be expected, in 40% and 47% of cases respectively. (
  • The average pregnancy rate recorded in porpoises (42%) in the study area was lower than in the western Atlantic but that in common dolphins (25%) was similar to that of the western Atlantic population. (
  • POP profiles in common dolphin blubber were related to individual feeding history while those in porpoises were more strongly related to condition. (
  • High PCB levels were recorded in porpoises and common dolphins from European coasts. (
  • In addition, although the terms dolphins and porpoises are often used interchangeably, they really refer to two different types of animals. (
  • Most species of dolphins are larger than porpoises, with the males usually being larger than the females. (
  • Ninety percent of the dead are long-beaked common dolphins, while the remainder are Burmeister's porpoises. (
  • The majority of entangled dolphins and porpoises asphyxiate. (
  • There was considerable concern about possible reductions in the existing bycatch measures in the European Parliament in recent votes, but also some efforts to remove some existing protections in some regions (including Spain, where bycatch levels are alarmingly high for common dolphins, bottlenose dolphins and Iberian porpoises), which is clearly very worrying. (
  • More generally, bycatch and 'ghost gear' are getting increasing attention as the public understand the scale of it and the terrible injuries and losses that dolphins, porpoises, whales, seals, seabirds and other species can suffer as a result. (
  • Porpoises belong to the family Phocoenidae and share a common ancestry with the Delphinidae. (
  • Odontoceti or toothed whales (containing porpoises , dolphins , other predatory whales like the beluga and the sperm whale , and the poorly understood beaked whales ) and the filter feeding Mysticeti or baleen whales (which includes species like the blue whale , the humpback whale and the bowhead whale ). (
  • The parvorder of Odontocetes - the toothed whales - include sperm whales, beaked whales, killer whales, dolphins and porpoises. (
  • Teeth are shaped like cones (dolphins and sperm whales), spades ( porpoises ), pegs ( belugas ), tusks ( narwhals ) or variable (beaked whale males). (
  • Dolphins are an informal group within the Cetacea order which excludes porpoises and whales . (
  • Together with Monodontidae ( narwhal and beluga whale) and Porpoises (phocoenidae), oceanic dolphins belong to the Delphinoidea superfamily. (
  • Closely related to whales and porpoises, there are over 50 species of dolphin found worldwide. (
  • Collectively, there are approximately 90 species of cetaceans, the order comprising whales, dolphins and porpoises. (
  • Sperm whales, belugas and narwhals, all of the beaked whales, and all of the dolphins and porpoises all belong to this group. (
  • From recordings on these devices, we can understand and examine the behaviours, temporal, spatial, inter-annual, and seasonal patterns of echolocating dolphins and porpoises . (
  • A dolphin living alone in the Firth of Clyde has learned to communicate with local harbour porpoises, a marine expert has claimed. (
  • Now audio testing suggests the dolphin has altered the frequency of the clicking he makes so as to be understood by the porpoises. (
  • C ommon dolphins have peak frequencies below 100 kilohertz (KHz) while for harbour porpoises it is around 130KHz. (
  • While some whales, dolphins and porpoises have been observed to change their frequencies before, scientists have not been able to confirm that this was in order to communicate with each other. (
  • The waters surrounding Channel Islands National Park are home to many diverse and beautiful species of cetaceans (whales, dolphins, and porpoises). (
  • 33 species of marine dolphins, 4 species of river dolphins, and 6 species of porpoises. (
  • What's more, dolphins, porpoises and whales have vaginas with extremely unusual twists, folds and recesses - you might say they are kinky - that sperm must traverse to make a baby. (
  • To investigate all this, Orbach collected dozens of reproductive tracts of dolphins, porpoises and seals that had died of natural causes and been scooped up from shorelines by government agencies such as the National Oceanic and Atmospheric Administration's National Marine Mammal Stranding Network . (
  • The practice is becoming increasingly common in waters off the Souh West where concern is mounting over the number of dolphins and porpoises caught in fishing nets this year. (
  • Since the beginning of January, Cornwall Wildlife Trust's Marine Strandings Network has examined and recorded 50 dead dolphins and porpoises so far. (
  • Dolphins that died in gill nets were also recorded by the network and four porpoises that had been caught almost certainly by local boats also stranded. (
  • Nick Tregenza added: "Many people are unaware that porpoises were a common sight quite close to shore in the recent past but they suffered a major decline that was almost certainly caused by pesticide pollution of the sea from agricultural run-off on land. (
  • This exciting discovery marks the first fossil cetacean [a group including dolphins, whales and porpoises] from Madagascar," said study lead researcher Karen Samonds, an associate professor of biological sciences at Northern Illinois University. (
  • Despite the historic practice of lumping the entire genus Delphinus into a single species, these widely distributed dolphins exhibit a wide variety of sizes, shapes and colors. (
  • Therefore, long-beaked and short-beaked common dolphins are now listed as the same species under the scientific name of Delphinus delphis. (
  • species are the common and bottlenose dolphins ( Delphinus delphis and Tursiops truncatus , respectively). (
  • Worldwide, there are currently two species of common dolphins recognised by scientists - short-beaked (Delphinus delphis) and long-beaked (Delphinus capensis). (
  • Distribution of common dolphins ( Delphinus spp. (
  • Due to indications that misidentification (largely confusion among dolphins of the genera Delphinus and Stenella ) in the past had led to erroneous assumptions of distribution of the two species of common dolphins ( Delphinus delphis and D. capensis ) in the western Atlantic Ocean, we conducted a critical re-examination of records of the genus Delphinus from this region. (
  • Amaha A (1994) Geographic variation of the common dolphin, Delphinus delphis (Odontoceti: Delphinidae). (
  • The best known species are the common dolphin ( Delphinus delphis ), of worldwide distribution, and the bottle-nosed dolphin ( Tursiops truncatus ), found in coastal waters of the North Atlantic Ocean and the Mediterranean Sea. (
  • The 2009 review of the Delphinus taxa by the IWC Scientific Committee, as well as several recent scientific publications, concluded that the long-beaked and short-beaked common dolphins should probably be treated as the same taxonomic unit which shows considerable variation through its large range. (
  • Reference : Bioaccumulation of persistent organic pollutants in female common dolphins (Delphinus. (
  • Potential physical effects of sonar transmissions on marine mammals were investigated by measuring pressure fields induced in a 119-kg, 211-cm-long, young adult male common dolphin (Delphinus delphis) cadaver. (
  • Short-beaked common dolphins (Delphinus delphis) hunting blue jack mackerel (Trachurus picturatus). (
  • The evolution of dolphins, or Delphinus , is believed to have started with the Pakiectus a four legged, land walking mammal. (
  • Along with the Pakiectus , the dolphin is thought to have evolved alongside or from the Ambulocetus , Remingtonocetidae , Protocetid , Basilosaurudae , Dorudontid , Squalodontidae , Aetiocetidae , and Kentriodontidae to eventually become the Delphinus which is found in the Cetacea infraorder. (
  • Bearzi, G. (2000) First report of a common dolphin (Delphinus delphis) death following penetration of a biopsy dart. (
  • range in one species, the bottle-nosed dolphin ( Tursiops truncatus ). (
  • Measurements and coloration of bottlenose dolphins ( Tursiops truncatus Montagu) as the criterion for their subspecies differentiation. (
  • The present study represents the first report of pollutants in free-ranging cetaceans from the Canary Islands, where there are 12 marine Special Areas of Conservation (SACs), because of the presence of bottlenose dolphins (Tursiops truncatus). (
  • Le Boulengé , E. , Nowacek , D.P. and Mallefet , J. ( 2007 ) Abundance and distribution of bottlenose dolphins, Tursiops truncatus, in Panama City, Florida . (
  • Bottlenose dolphins ( Tursiops truncates ) are common off Louisiana - or they were. (
  • Bottlenose dolphins (Tursiops truncatus) are highly versatile breath-holding predators that have adapted to a wide range of foraging niches from rivers and coastal ecosystems to deep-water oceanic habitats. (
  • In this study, we evaluated individual behavioral reactions and wound-healing in common bottlenose dolphins (Tursiops truncatus) during a biopsy sampling program carried out in southern Brazil from 2003 to 2012, and compared sampling effectiveness between dedicated and opportunistic sampling surveys. (
  • Since the first morbillivirus outbreak affecting bottlenose dolphins ( Tursiops truncatus ) along the mid-Atlantic Coast of the United States during the late 1980s ( 1 ), some mass die-off episodes affecting the global cetacean population have occurred ( 2 - 5 ). (
  • Insights about the genetic diversity and population structure of an offshore group of common bottlenose dolphins (Tursiops truncatus) in the Mid-Atlantic. (
  • Impacts of Navy Sonar on Whales and Dolphins: Now beyond a Smoking Gun? (
  • How Whales and Dolphins recognize Sounds? (
  • Why Do Whales and Dolphins Beach Themselves? (
  • There are many theories about why whales and dolphins sometimes swim into shallow water and end up stranding themselves on beaches in various parts of the world. (
  • Scientists and government researchers have linked the low-frequency and mid-frequency sonar used by military ships, such as those operated by the U.S. Navy, to several mass strandings as well as other deaths and serious injuries among whales and dolphins. (
  • Despite the many theories, and growing evidence of the danger that military sonar poses for whales and dolphins worldwide, scientists have not found an answer that explains all whale and dolphin strandings. (
  • In: Hoelzel AR (eds) The genetic ecology of whales and dolphins. (
  • Spread awareness about the captivity of whales and dolphins to eventually lead to the public making the choices that can end this cruelty. (
  • Captive whales and dolphins have been trained to perform tricks, day after day, for food as a reward instead of behaving naturally. (
  • Whales and dolphins are highly intelligent animals who want and need to live in complex social groups. (
  • Wild whales and dolphins can swim up to 100 miles a day, hunting and playing. (
  • Even though captive whales and dolphins are kept in an environment free of predators, pollution and other threats, they die young. (
  • The death rate for infant whales and dolphins is also much higher in captivity. (
  • Whales and dolphins can be seen either from shore or from a boat. (
  • We need to continue to explore the world of whales and dolphins. (
  • Whales and dolphins are believed to have reasonable vision in air as well as water. (
  • Gene-culture coevolution in whales and dolphins. (
  • It consists of sailing in the Strait of Gibraltar , looking for and identifying the different types of whales and dolphins that live in or migrate through this area. (
  • M.E.E.R is dedicated to the conservation of whales and dolphins and their natural habitat in the Canaries. (
  • dolphin, aquatic mammal, any of the small toothed whales of the family Delphinidae, numbering more than 50 species. (
  • Dolphins belong to the Delphinidae family which comprises of 17 genera and 32 species. (
  • Dolphins belong to the family Delphinidae . (
  • The term dolphin usually refers to the extant families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins ), Iniidae (the New World river dolphins), and Pontoporiidae (the brackish dolphins), and the extinct Lipotidae (baiji or Chinese river dolphin). (
  • The term 'dolphin' can be used to refer to, under the parvorder Odontoceti , all the species in the family Delphinidae (oceanic dolphins) and the river dolphin families Iniidae (South American river dolphins), Pontoporiidae ( La Plata dolphin ), Lipotidae (Yangtze river dolphin) and Platanistidae (Ganges river dolphin and Indus river dolphin). (
  • [12] There are six species of dolphins commonly thought of as whales, collectively known as blackfish: the killer whale , the melon-headed whale , the pygmy killer whale , the false killer whale , and the two species of pilot whales , all of which are classified under the family Delphinidae and qualify as dolphins. (
  • They are common members of the family Delphinidae, or oceanic dolphins, and live worldwide in tropical and temperate waters. (
  • several dolphin species ( Stenella sp. (
  • Mitochondrial DNA (mtDNA) control region sequences and microsatellite loci length polymorphisms were used to investigate genetic differentiation in spotted dolphins ( Stenella attenuata ) in the Eastern Tropical Pacific and to examine the intraspecific structure of the coastal subspecies ( Stenella attenuata graffmani ). (
  • Dizon AE, Perrin WF, Akin PA (1994) Stocks of dolphins ( Stenella spp. (
  • Although this case occurred nearly 9 years ago, the nucleotide sequence of a fragment of the morbillivirus phosphoprotein ( P ) gene shows high homology with sequences recently reported for morbilliviruses from striped dolphins ( Stenella coeruleoalba ) in the Mediterranean Sea. (
  • Wild dolphin-swim tourism has grown in specific locations where Hawaiian spinner dolphins ( Stenella longirostris ) have known resting habitat. (
  • The common dolphin belongs to the subfamily Delphininae, making this dolphin closely related to the three different species of bottlenose dolphins, humpback dolphins, striped dolphins, spinner dolphins, clymene dolphin, spotted dolphins, fraser's dolphin and the tucuxi and guiana dolphin. (
  • We used mitochondrial DNA and 18 nuclear microsatellite loci, on the largest genetic dataset compiled to date on Australian humpback dolphins (eight sampling sites, 159 samples), to assess their genetic diversity, gene flow and past demographic history along the east coast of Queensland, Australia. (
  • Our results raise important conservation concerns and emphasize the vulnerability of Australian humpback dolphins to stochastic demographic, genetic and environmental processes. (
  • We used a two-dimensional cross-shaped hydrophone array system to record the whistles of free-ranging Indo-Pacific humpback dolphins ( Sousa chinensis ) in shallow-water environments of the Pearl River Estuary (PRE) and Beibu Gulf (BG), China. (
  • Humpback dolphins produced whistles with average root-mean-square ASL of 138.5 ± 6.8 (mean ± standard deviation) and 137.2 ± 7.0 dB re 1 µPa in PRE ( N = 33) and BG ( N = 209), respectively. (
  • Nowadays, several types of dolphins swim around Madagascar, including humpback dolphins and Indo-Pacific bottlenose dolphins, according to the Wildlife Conservation Society , a nature conservancy organization in Madagascar. (
  • We selected this resident population of dolphins as a bioindicator to gain knowledge concerning the toxicological status of the cetaceans of this protected area. (
  • Alling AK, Whitehead HP (1987) A preliminary study of the status of white-beaked dolphins, Lagenorhynchus albirostris , and other small cetaceans off the coast of Labrador. (
  • As a group, dolphins are often referred to as "small" cetaceans, even though some of them are quite large, attaining lengths of over 20 feet. (
  • The life cycle of dolphins is similar to that of other cetaceans. (
  • Dolphins, together with other cetaceans, are members of the group Cetartiodactyla. (
  • Griffin and Loutit (1988) stated that Heaviside's dolphins were the cetaceans most frequently seen from the Namibian coast. (
  • Found in tropical and temperate waters worldwide, bottlenose dolphins are among the most common cetaceans on the planet. (
  • Bottlenose dolphins are also among the most frequently studied marine mammals on the planet, and the cetaceans have been have been documented at the mouth of the Chesapeake Bay, and along the coastline of southern Virginia and Maryland. (
  • They recently combined forces to solve the mystery of just how dolphins and other cetaceans do the deed, a task that involved inflating penises, fitting them into vaginal tracts and taking pictures of it all. (
  • Basque Asociation of Friends of Dolphins and Whales is a non profit association founded as a result of the need to establish a programme for the study and preservation of cetaceans off the Basque coast. (
  • Officials are beginning to see dolphins wash ashore in Florida as the cetaceans migrate south to warmer water but haven't included them in the total because tests have not yet conclusively linked the deaths to the virus. (
  • As it is, many dolphin and animal protection groups would like to close down any facility of close human/dolphin interaction because of the captive dolphin industries negligence and abuse of captive cetaceans, abuse of scientific competition and abuse of regulated reporting (a process required under the Marine Mammal Protection Act and the Animal Welfare Act). (
  • There is a strong need for a position or positions in the MMPA bureaucracy that can act as agent or advocates for the cetaceans held captive by the captive dolphin industry. (
  • This position or positions would have to be appointed and/or confirmed by the de facto agents currently acting in the interests of captive cetaceans - the dolphin and animal protection groups. (
  • It was the first orca sighting off local waters this year of the tropical ETP killer whales, which were chasing and hunting dolphins, similar behavior to last September. (
  • Bottlenose dolphins are occasionally preyed upon by large sharks and killer whales. (
  • M s Cosentino said: 'Several cetacean species, such as bottlenose dolphins, belugas and killer whales, have the ability to change their acoustic repertoire as a result of interactions with other species. (
  • The scientists observed an estimated 200 common bottlenose dolphins traveling alongside approximately 70 false killer whales. (
  • It is known that common bottlenose dolphins and false killer whales seek each other out and interact, but the purpose of the interactions is unclear. (
  • Both common bottlenose dolphins and false killer whales normally live in warm waters located further south in the North Pacific. (
  • All dolphins are toothed whales belonging to the sub-order, odontocetes , of the order cetacea (see section on humpback whales for more information). (
  • Dolphin is a common name of aquatic mammals within the infraorder Cetacea . (
  • The dolphins share numerous ancestors with the various cetacea. (
  • Common dolphins live in both warm-temperate and tropical waters ranging from 40-60°N to 50°S. Long-beaked common dolphins mostly inhabit shallow, warm coastal water. (
  • This dolphin is a widespread and abundant species, occurring in tropical and temperate coastal and pelagic marine waters worldwide. (
  • For inshore/coastal bottlenose dolphins, the average size is 260 cm and 190-260 kg, while for offshore populations it is 370-380 cm and 450 kg. (
  • Some coastal dolphins maintain long-term, multigenerational home ranges, while others have more complex movements. (
  • Average body length for the coastal ecotype of this dolphin is around 2.6 m, with weights between 190-260 kg. (
  • Reports of common dolphins from most of the Caribbean Basin are also rejected, and the only place in that region where they are confirmed to occur is off central-eastern Venezuela (a coastal D. capensis population). (
  • Off eastern South America, common dolphins appear to be restricted to south of 20°S. There is a coastal long-beaked population found in the South Brazil Bight, and one or more short-beaked populations south and offshore of this (ranging south to at least northern Argentina). (
  • This dolphin feeds on a mix of coastal and pelagic fish and squid . (
  • The rise in tourism, fishing and sea transport between the Iberian Peninsula and the Balearic Islands is compromising the wellbeing of a small population of common bottlenose dolphins living in coastal waters off the Pityusic Islands. (
  • As Joan Gonzalvo, a scientist at the University of Barcelona's (UB) Institute for Research on Biodiversity, explains to SINC: "Anthropogenic activities such as fishing, coastal development, tourism and maritime transport, especially in summer, are some of the threats faced by dolphins in the Balearic Islands. (
  • Most sightings were in summer and spring, when the dolphins could have been avoiding coastal waters due to the growing number of boats and ships and greater human presence," Gonzalvo reasons. (
  • This is a coastal, shallow-water dolphin seen mainly in waters less than 100 m deep (Best and Abernethy 1994). (
  • However, the study showed relatively low concentrations of chemicals, including common pollutants, in the tested dolphins, as compared to other coastal dolphin populations. (
  • Here, forces shaping population structure and ecotype differentiation ('pelagic' and 'coastal') of bottlenose dolphins in the North-east Atlantic were investigated using complementary evolutionary and ecological approaches. (
  • Hot-spots for dolphin-swim tourism have become established in coastal communities with access to marine mammal populations ( Wiener, 2015b ). (
  • They are generally a pelagic species that are often found in waters 650-6,500 feet deep, with the short-beaked type preferring deeper waters than the long-beaked type Temperature also plays a large role in the congregation of dolphins. (
  • For example, in the Western North Atlantic, almost all sightings of Common dolphins took place in waters from 16-20 °C. However, there were common dolphin sightings in waters as low as 5 °C. Common dolphins can live in aggregations of hundreds or even thousands of dolphins. (
  • Common bottlenose dolphins have a worldwide distribution in temperate and tropical waters. (
  • Most areas of distribution coincide with moderate to strong upwelling and common dolphins appear to avoid warm, tropical waters. (
  • These dolphins rarely are seen inshore, as they prefer to stay in deeper waters. (
  • Long-beaked and short-beaked common dolphins can be found living alongside each other in some near-shore waters. (
  • The long-beaked common dolphin lives in warm temperate and tropical waters, including in West Africa, Latin America (from Venezuela to Argentina), along the coast from California south to Mexico and along parts of the Peruvian, Madagascan, South African, Japanese and Korean coastlines. (
  • Several species of dolphins are found in Hawaiian waters. (
  • This) will provide a tremendous amount of information that will not only contribute to important insights into the lives of dolphins but also, it will help with the overarching science on the changes that we are seeing in our ocean waters," said Peter Chang, CEO of the center. (
  • Although dolphins are widespread, most species prefer the warmer waters of the tropic zones, but some, like the right whale dolphin , prefer colder climates. (
  • The Common Dolphin is found in the temperate and tropical waters of every ocean. (
  • Risso's Dolphin is found all over, but mostly in deep temperate and tropical waters. (
  • This dolphin is found in temperate, tropical, and subtropical waters around the world. (
  • Franciscana dolphins are usually found within 33 miles (53 kilometers) of shore in waters no more than 30 feet (10 meters) deep. (
  • Most oceanic dolphin species reside in the warm waters of the tropical regions while others live in colder climates. (
  • Ms Alderson said it took six people to lift the dolphin out to safer waters. (
  • The dolphin swam off strongly as soon as it was refloated and it was hoped the dolphin would return to open waters. (
  • So far, the Potomoc dolphins have also been spotted in waters off the coast of Beaufort, North Carolina, Virginia Beach, and Cape May, New Jersey. (
  • It is surprising to find a warm-water dolphin in British Columbian waters, and especially to find such a large number of common bottlenose dolphins within the group," said lead author Luke Halpin. (
  • Since 2014 I have documented several warm-water species: common bottlenose dolphins, a swordfish and a loggerhead turtle in British Columbian waters," said Halpin. (
  • You will travel onboard the cruise-ferry Pride of Bilbao, through the rich, deep waters of Biscay in search of whales, dolphins, seabirds and sharks. (
  • These are whale waters---dolphin, too. (
  • NEW YORK (Reuters) - A dolphin that died in a polluted New York canal last week was old and sick, and the toxic waters where it spent its final hours played little, if any, role in its demise, a biologist who examined the dolphin's carcass said on Tuesday. (
  • The dolphin had no skin lesions nor fluid in its respiratory tract that might be expected if the waters of the notoriously polluted canal played a major role in its death, she said. (
  • This fossilized vertebra is the only evidence showing that an ancient dolphin once swam around the waters of Madagascar. (
  • A single fossilized backbone is the first evidence on record that dolphins once swam around the waters of ancient Madagascar, scientists say. (
  • Levels and profiles of POPs (organochlorine pesticides, PCBs, and PAHs) in free-ranging common bottlenose dolphins of the Canary Islands, Spain. (
  • This study also suggested a third species (D. tropicalis, common name usually Arabian common dolphin), characterized by an extremely long and thin beak and found in the Red Sea and Indian Ocean, might be distinguished from the long-beaked species. (
  • Dolphins have smooth, streamlined bodies, big foreheads that protrudes over the beak, or rostrum and a blowhole at the top of the head. (
  • Both common dolphin species are slender, with a long distinct beak and a high dorsal fin. (
  • The most notable difference, as the name suggests, is the beak, which in the long-beaked common dolphin can be up to 10% of the total body size. (
  • The long-beak common dolphin generally has a sleeker, more streamlined appearance and although both species have a criss-cross pattern on their flanks (forming a lighter horizontal 'hour glass' pattern), in the long-beaked species the pattern is less distinct and more muted in colouration. (
  • Dolphins possess a distinct beak. (
  • The most notable feature of the franciscana dolphin is its long, slender beak, or snout. (
  • They have the longest beak of any dolphin. (
  • Although there is considerable variation in this species, common bottlenose dolphins tend to have a wide head and body, a short beak (snout), long flippers, and a tall dorsal fin. (
  • However, with all marine mammals these dolphins too are subject to the same threats as others such as pollution and degradation of the marine environment. (
  • Being mammals, dolphins breathe with lungs rather than gills, so they breathe from a blowhole which closes before the dolphin goes into the water, so water will not enter the blowhole. (
  • Dolphins do give birth to live young, and as mammals, they nurse their young with breast milk. (
  • Dolphins are highly intelligent marine mammals. (
  • Like all other marine mammals, below the skin, dolphins have developed a thick layer of blubber to insulate them from heat loss. (
  • As mammals, dolphins bear live young and the mothers nurse them on milk and provide care. (
  • The literature suggested a potential for snide mimicry in aquatic mammals, so when one of our dolphins downed 40 pounds of fish in a single feeding, we thought it could very well be some kind of Kirstie Alley impersonation," said Gross, pausing for several minutes as she pulled up data from her laptop. (
  • Dolphins feed largely on fish and squid, but a few, like the killer whale, feed on large mammals, like seals. (
  • The risk of boats and ships colliding with dolphins and noise disturbance from maritime traffic - which affects the behaviour of these mammals - have become a cause for concern. (
  • The concentrations of organochlorine compounds found in these dolphins are very high, even more so than in any other dolphin species," Gonzalvo highlights, adding that the concentrations vastly exceed accepted limits for mammals. (
  • A recent study published in the journal Science delivers a serious warning as to the likelihood that dolphins and other marine mammals could be extirpated by pollutants. (
  • The common dolphins underwent centuries of evolution to move from terrestrial to aquatic mammals. (
  • This information is of value because no other sequences of morbillivirus from bottlenose dolphins are available in GenBank, despite the seriousness of this fatal disease, which causes mass deaths of marine mammals worldwide. (
  • As the water warms during the summer months if offer rich feeding grounds for fish, birds and sea mammals, including a number of whale and dolphin species. (
  • To understand what the effects of oil contamination were on marine mammals like dolphins and whales, the team conducted health assessments on thirty-two Barataria Bay dolphins in 2011, a site chosen because that area was heavily oiled during and after the spill. (
  • What the research makes clear, especially by comparing the Barataria Bay dolphins to those from Sarasota, is that the oil contamination is seriously affecting the health of marine mammals (and other marine life as well ). (
  • This is the most primitive group of all river dolphins. (
  • Placement between other river dolphins and Ziphiidae (beaked whales) or between Ziphiidae and Physeteridae (sperm whales) has gained considerable support from genetic and morphologic data. (
  • Classification of this species at the family level is the least controversial of all river dolphins. (
  • The primitive appearance of the Ganges and Indus dolphin is unlike that of any other dolphin, even other river dolphins. (
  • These dolphins are considered river dolphins, even though they live in the ocean near the shoreline. (
  • Unlike the Ganges and Indus river dolphins, franciscana dolphins have good eyesight. (
  • The South Asian river dolphins are endangered freshwater species that reside in parts of South Asia . (
  • The South Asian river dolphin is split into two subspecies, the Ganges River and Indus River dolphins. (
  • They have long pointed noses just like all the other river dolphins. (
  • The tails and flippers of the South Asia river dolphins are large and thin in comparison to their body size. (
  • The males weigh about 55% more and measure approximately 16% longer than the female Amazon River dolphins. (
  • No more river dolphins? (
  • 4 species of river dolphins?i read in a book and it stated that there are actually 5 species of river dolphins. (
  • The vertebra's features are similar to those seen in modern river dolphins, including the Amazon River dolphin, or boto , ( Inia geoffrensis ) and the La Plata River dolphin, or franciscana, ( Pontoporia blainvillei ), she said. (
  • The team drew up a series of dolphin distribution maps based on sightings between 2002 and 2004. (
  • Also, several sightings were made of large pods of atlantic white-sided dolphins. (
  • In addition to the cetacean sightings, several blue sharks and a very small harbor seal were also seen out to the east where the dolphin pods were sighted. (
  • The most common sightings are of gray whales from mid- to late-December through mid-March, blue and humpback whales during the summer, and common dolphins throughout the entire year. (
  • Whale and dolphin sightings are regular occurrences when you take a Mediterranean cruise with Celebrity Cruises. (
  • Fraser's Dolphin is uniformly distributed throughout the open sea in the Indian and Pacific oceans. (
  • However, recent evidence has shown that many populations of long-beaked common dolphins around the world are not closely related to one another and are often derived from a short-beaked ancestor and do not always share common derived characteristics. (
  • Long-beaked common dolphins are slightly larger than the short-beaked, and the long-beaked males are slightly bigger than the females. (
  • Long-beaked common dolphins also have possibly the highest tooth-count of all delphinids with between 47 - 67 sharp, pointed teeth in each row. (
  • Long-beaked common dolphins are highly gregarious and are often seen 'porpoising' at the water surface, breaching and bow-riding. (
  • Long-beaked common dolphins are believed to live for approximately 40 years. (
  • Long-beaked common dolphins have a 'patchy distribution' but generally occur within 180km of the coast. (
  • The Pityusic Islands are considered a refuge for marine species, especially this population of bottlenose dolphins - probably one of the largest in Spain. (
  • For all these reasons, the researchers call for urgent action in terms of managing sustainable fishing, mitigating interaction between fishers and dolphins, prevention of sea pollution and controlling tourism - especially boat and ship traffic - to ensure the preservation of this fragile population of bottlenose dolphins . (
  • Dolphin Signature Swim and Dolphin Extreme . (
  • Bottle-nosed dolphins swim in large schools with a social organization and hierarchy, hunting the small fish, crustaceans, squid, and cuttlefish that make up their diet. (
  • Dolphins of several species are one of the main attractions for this cruise, as individuals, small groups, or even congregations in the thousands may swim along beside or in front of the boat. (
  • Common dolphins swim alongside our boat in Dingle Bay, Kerry - Duration: 60 seconds. (
  • Franciscana dolphins usually swim alone or in small groups. (
  • Although they are not flexible like seals, most dolphins can swim at a maximum speed of about 34.5 mph. (
  • Able to travel at top speeds, swimming over 40 kilometers per hour, dolphins can't always out swim the threats they face. (
  • The increased growth in dolphin-swim businesses has created an industry in Hawaii that earns an estimated $102 million (USD) annually in 2013. (
  • A revenue analysis of dolphin-swim tourism is presented using a peak season and utilization rate model. (
  • These predictions offer an accountability exercise based on a series of assumptions regarding wild dolphin-swim demand and an annual estimate of the number of viewing participants and revenue earned. (
  • The results show that dolphin viewing companies are making a larger profit than dolphin-swim businesses by approximately $19 million (USD) per year, however, both avenues are generating large earnings. (
  • This study offers the first revenue estimates of spinner dolphin tourism in Hawaii, which can provide context for further discussion on the impact and economic role of the dolphin-swim industry in the state. (
  • In recent decades, dolphin-swim tourism has developed a similar path of expansion. (
  • With the majority of research focused on the biological impacts of dolphin-swim tourism, little attention has been paid to the social and economic effects. (
  • Dolphins are carnivores, mostly eating crustaceans, fish and squid. (
  • In terms of their feeding habits, all dolphins are carnivores . (
  • Most oceanic dolphins are pure carnivores that feed on fish, small crustaceans, and numerous squids while others only eat squids. (
  • Oceanic Dolphins are part of family Delphindidae, which also includes orcas and pilot whales. (
  • Commerson's dolphin ( Cephalorhynchus commersonii ), also referred to by the common names skunk dolphin , piebald dolphin or panda dolphin , is a small oceanic dolphin of the genus Cephalorhynchus . (
  • NOAA (US National Oceanic and Atmospheric Administartion) marine biologists have physically examined 32 live dolphins from Barataria Bay. (
  • Oceanic dolphins are a widely distributed dolphin family which resides in the sea. (
  • There are approximately 30 extant species of oceanic dolphins, including several species that are often mistaken for whales . (
  • Oceanic dolphins vary in size from 110 pounds and 5.6 feet long (Maui's dolphin) to 10 tons and 31 feet ( orca ). (
  • The male oceanic dolphins are bigger than the females. (
  • Oceanic dolphins travel in large pods with some species having over 1,000 members. (
  • The most common feeding method of the oceanic dolphins is herding whereby a huge pod herd fish into a ball and take turns plowing through the ball of fish. (
  • In some areas, distinct inshore and offshore populations can be found, with the inshore dolphins being generally smaller in size than the offshore. (
  • Global populations are unknown, but the species is accepted to be locally common. (
  • Whilst the data on the number of common dolphin bycaught are relatively poor, we know enough to understand that it might be high enough to impact local populations. (
  • The data collected by the Potomac-Chesapeake Dolphin Project suggests two or three different populations - the Northern Migratory Stock, the Southern Migratory Stock, and the South Carolina-Georgia Stock - all may be using the Chesapeake Bay and the Potomac River as they migrate along the East Coast of the United States every summer. (
  • Besides shedding some light for evaluating appropriate noise exposure levels and information for the regulation of underwater acoustic pollution, these baseline data can also be used for aiding the passive acoustic monitoring of dolphin populations, defining the boundaries of separate groups in a more biologically meaningful way during field surveys, and guiding the appropriate approach distance for local dolphin-watching boats and research boat during focal group following. (
  • Escalating marine mammal tourism has led to investigation of how this growth is affecting whale and dolphin populations. (
  • As visible oil is still present in Barataria Bay, commercial fishing has been banned there, so the dolphins can be presumed to be affected by fish containing residues. (
  • The research team temporarily captured 32 dolphins from the oil-soaked Barataria Bay and conducted comprehensive tests including ultrasound scans on 29 dolphins, before releasing them. (
  • About half of the 29 dolphins from Barataria Bay had a "guarded or worse prognosis," and 17 percent were in "poor or grave" condition, meaning the dolphins "were not expected to survive," the study said. (
  • Researchers found that moderate to severe lung disease was five times more likely in the Barataria Bay dolphins, with symptoms including "lung masses and consolidation," while 25 percent of the Barataria Bay dolphins were "significantly underweight and the population overall had very low levels of cortisol, an adrenal hormone, which are critical for responding to stress. (
  • The researchers said the symptoms exhibited by the Barataria Bay dolphins were similar to those resulting from petro-carbon or fuel-oil contamination. (
  • Researchers announced recently that as a result, Bottlenose dolphins in Louisiana's Barataria Bay are suffering from a host of maladies, including lung disease and adrenal problems. (
  • The researchers were particularly surprised to find that the Barataria Bay dolphins had unusually low levels of the adrenal hormones cortisol and aldosterone, compared with the Sarasota dolphins. (
  • About 25 percent of the Barataria Bay dolphins were also found to be significantly underweight in comparison with just one of the Sarasota Bay dolphins. (
  • For six of the Barataria Bay dolphins - but none of those from Sarasota Bay - blood tests revealed liver abnormalities. (
  • But some parts of the Gulf, including Louisiana's Barataria Bay, were already bad news for dolphins and other animals. (
  • A dolphin is rescued by Pacific Marine Mammal Center. (
  • A dolphin is placed on a rescue truck by staff from Pacific Marine Mammal Center. (
  • A dolphin is rescued by Pacific Marine Mammal Center staff at Fisherman's Cove in Laguna Beach. (
  • LAGUNA BEACH - For more than two weeks, rescue teams from the Pacific Marine Mammal Center have responded to reports of dolphins thrashing, seizing and dying on local beaches. (
  • The strandings are not exclusive to Orange County, Justin Viezbicke, marine mammal stranding coordinator for NOAA, said dolphins are coming ashore on beaches from San Luis Obispo to San Diego. (
  • The Marine Mammal Center in Sausalito has rescued at least four dolphins this year, including a common dolphin, a Risso's dolphin and two striped dolphins. (
  • On Sunday, Feb. 24, a Marine Mammal Center Los Angleles team rescued a dolphin at Hermosa Beach. (
  • The Captivity Commission could be as small as three positions, one member from marine mammal protection groups (confirmed by animal protection groups), one member from the captive dolphin industry (confirmed by the industry) and one independent cetacean researcher (confirmed by both industry and animal protection groups). (
  • If the Captivity Commission turns out to be a committee of the Marine Mammal Commission, the process is simplified, but inquiries may be locked up should the Marine Mammal Commission be slanted toward the Navy or captive dolphin industry. (
  • At Mote, our goal is to provide the most humane treatment possible for live-stranded dolphins and whales, while also creating a better scientific understanding of these animals and their needs to support conservation of these species in the wild. (
  • AIDCP (1998) Agreement on the International Dolphin Conservation Program. (
  • That dolphin species, which is in fact pink and has a hump rather than a more common dorsal fin, has landed on the International Union for Conservation of Nature Endangered Species List . (
  • Springtime strandings of neonatal dolphins is normal, but in 2010/2011 many older dolphins also stranded, presumably because of stress and health problems. (
  • In particular, there have been several mass strandings in the northern Indian Ocean coincident with naval exercises-including one of the largest (200-250 dolphins)-which have received little attention. (
  • Mass strandings of dolphins are far less common than mass strandings of whales. (
  • The first reported dolphin strandings came Feb. 4. (
  • It's unknown what causes strandings in dolphins and whales. (
  • That can cause death by acoustic impact, not only in dolphins, but also in marine seals and whales," Yaipen said. (
  • The influx of dolphins has taken away resources from the center's typical care focused on sea lions, harbor seals and elephant seals. (
  • Though not quite as flexible as seals , some dolphins can travel at speeds 29 km/h (18 mph) for short distances [1] . (
  • In the Eastern Pacific, common dolphins are found along the coast of California and are associated with the California current. (
  • Common dolphin, Baja California. (
  • It's not just dolphins - the number of California sea lion rescues has doubled. (
  • Like we had common dolphins, which are typically restricted to Southern California. (
  • [5] Its appearance resembles that of a porpoise , but its conspicuous behaviour is typical of a dolphin. (
  • There is strong scientific evidence to suggest that a wide range of whale, dolphin and porpoise species can also be impacted by sound produced during military activities, with significant effects occurring at received levels lower than previously predicted. (
  • sperm whale ( Physeter macrocephalus ), Amazon river dolphin ( Inia geoffrensis ), Blainville's beaked whale ( Mesoplodon densirostris ), southern right whale ( Eubalaena australis ), narwhal ( Monodon monoceros ), humpback whale ( Megaptera novaeangliae ), killer whale ( Orcinus orca ), gray whale ( Eschrichtius robustus ) and harbor porpoise ( Phocoena phocoena ). (
  • A harbor and a gray seal, a common dolphin and a harbor porpoise were each imaged post mortem under pressure using a radiolucent, fiberglass, water-filled pressure vessel rated to a depth equivalent of 170 m. (
  • If you're wondering what a small porpoise and a large fish have in common, then you'd be close to recognizing that is the key to understanding this tragedy. (
  • The area is not commonly visited by dolphins and Kylie has mostly been exposed to sounds produced by other species, particularly the harbour porpoise. (
  • The common dolphin was originally categorized into two different species, the short-beaked common dolphin and the long-beaked common dolphin. (
  • According to the latest scientific research, the common dolphin is separated into four different subspecies including the Eastern North Pacific long-beaked common dolphin, the Black Sea common dolphin, the Indo-Pacific common dolphin and the short-beaked common dolphin. (
  • Short-beaked Common dolphins can also be found in Europe, particularly the Scotian shelf, the Black Sea and the Mediterranean. (
  • This species is difficult to distinguish from the more widely distributed short-beaked common dolphin . (
  • The short-beaked common dolphin, nicknamed Kylie by locals, has made his home around a navigational buoy between Fairlie and the Isle of Cumbrae, after he is thought to have got lost from his group. (
  • D. c. capensis - long-beaked common, and D. c. tropicalis - Indo-Pacific long-beaked common dolphin. (
  • dolphin (aquatic mammal) from The Columbia Encyclopedia, 6th ed. (
  • This remarkable feature indicated that the fossil likely belonged to a dolphin, a mammal that uses its long neural spines to help rhythmically bend its backbone as it swims, Samonds said. (
  • A dolphin calf is born tail-first with eyes open, senses alert and enough muscular coordination to follow its mother immediately. (
  • Female franciscana dolphins give birth to one calf after an eleven-month pregnancy. (
  • The morning trips found large pods of common dolphins, including numerous mother/calf pairs. (
  • Only a small number of the dead dolphins who fall out of fishing gear before it is hauled aboard or are thrown overboard will make it ashore. (
  • In many winters, such the winter of 2016/2017, when the winds brought large numbers of dead dolphins ashore there was public outcry about the common dolphin bycatch that is happening needlessly on our doorstep. (
  • NEWPORT BEACH (CBSLA) - From Laguna to Huntington Beach, an unprecedented number of dolphins are washing ashore dead or so sick that they have to be humanely euthanized. (
  • The virus that has killed nearly 800 bottlenose dolphins off the East Coast of the United States has turned up in four whales that have washed ashore, a potentially troubling development if it is shown to be the cause of their deaths, a U.S. government marine expert said Thursday. (
  • This model could bring us insights into the spatial distribution of the common dolphins and thus help us identify areas where their habitat overlaps with human activities. (
  • The high degree of loyalty dolphins show to their habitat and relatively limited mobility across the archipelago forces them to reside in an area where overfishing, habitat degradation, tourist boat disturbance and an ever-growing fishing industry are a modern-day reality. (
  • While they are not an endangered species, bottlenose dolphins are vulnerable to human disturbance, and are threatened by habitat alteration, diseases, pollution, and the accumulation of biotoxins. (
  • Sail first class with the Original Dolphin Safari to see the wild Common, Striped and Bottlenose dolphins of Gibraltar in their natural habitat. (
  • Three different types of dolphins inhabit the recently established Natural Park of the Strait of Gibraltar: Common, Striped and Bottlenose , and they share the habitat with Pilot Whales. (
  • Hawaiian spinner dolphin, resting herd swimming along reef. (
  • Along the U.S. Atlantic coast, the main prey includes Atlantic croakers (Micropogonias undulatus), spot (Leiostomus xanthurus) and American silver perch (Bairdiella chrysoura), while in South Africa, African massbankers (Trachurus delagoa), olive grunters (Pomadasys olivaceus), and pandora (Pagellus bellottii) are common bottlenose dolphin's typical prey. (
  • Atlantic spotted dolphin. (
  • No-one knows how many common dolphins die each year in fishing gear in the Northeast Atlantic. (
  • Franciscana dolphins are found in the Atlantic Ocean along the coasts of Brazil, Uruguay, and Argentina in South America . (
  • In addition, like that wasn't enough, the sighting of a single spout out to the east led to the discovery of three finback whales swimming among a pod of atlantic white-sided dolphins. (
  • The glassy seas also made the viewing of several hundred atlantic white-sided dolphins incredible. (
  • 500 bottlenose dolphins occurred along the US mid-Atlantic Coast that probably resulted from morbillivirus infection ( 9 ). (
  • Pelagic dolphins from the Atlantic and the Mediterranean Sea likely diverged during a period of high productivity in the Mediterranean Sea. (
  • However, boto and franciscana are the closest likely relatives to the fossil, suggesting that they and the Madagascar dolphin had a common ancestor in [the] western Atlantic region. (
  • Common dolphins have a varied diet consisting of many species of fish and squid. (
  • Dolphins mainly feed on fish and squid. (
  • Bubbles in supersaturated tissues and blood occur in beaked whales stranded near sonar exercises, and post-mortem in dolphins bycaught at depth and then hauled to the surface. (
  • Baby dolphins are called calves. (
  • Known for their playful nature, dolphins - especially young calves - often catch puffer fish. (
  • There, incredibly enough when one considers the persecution and destruction these whales have seen by man, Gray Whales can be surprisingly tame, and it is common for calves and their mothers to sidle up to a zodiac, close enough to be petted and for participants to experience the fishy shower of a whale's exhalation. (
  • a few species live in the world's rivers (such as the endangered Amazon river dolphin a.k.a. the pink river dolphin). (
  • Iniidae, also referred to as boto or Amazon River dolphin, thrive in the freshwater habitats of the Orinoco Basin and Amazon River . (
  • The Amazon River dolphin is common in South America and the only existing genus of Iniidae. (
  • Due to its dentition, Risso's Dolphin feeds mostly on cephalopods. (
  • Dolphins search for prey primarily using echolocation, which is a form of sonar. (
  • Dolphins have well developed echolocation, by which they locate other animals and objects in the water. (
  • Dolphins, like bats, use echolocation to navigate and hunt, bouncing high-pitched sounds off of objects, and listening for the echoes. (
  • Even though franciscana dolphins can see well, they use echolocation (eck-oh-loh-KAY-shun) to find food and navigate through their environment. (
  • Echolocation is a sensory system in which dolphins make sounds that seem to be focused through the melon and then sent out into the environment. (
  • While dolphins seem to be quite the chatterboxes, with their wide range of clicks and whistles, hearing may be their most important asset with a technique called echolocation. (
  • Dolphins can produce a wide repertoire of sounds: impulsive (high frequency) sounds, also involved in echolocation mechanism, percussive sounds and modulated sounds, usually called whistles. (
  • Dolphins can be found in temperate and tropical oceans across the world. (
  • Dolphins have teeth, which they use to catch fish. (
  • Dolphins have between 45 and 63 small, sharp teeth, which enable them to tear food into smaller pieces. (
  • White scarring, likely caused by other Risso dolphins teeth, accumulates during the dolphins life so that adult Rissos dolphins are almost entirely white. (
  • Dolphins use their conical shaped teeth to capture fast moving prey. (
  • This dolphin has between 208 and 242 teeth small teeth. (
  • Most dolphin have curved dorsal fins. (
  • Rissos dolphins surfacing, one spouting/blowing while others show dorsal fins. (
  • A team of graduate students collects data on the dolphins frequenting the area - which includes photographing the dorsal fins of individual dolphins. (
  • In South Africa, these dolphins go up to Walvis Bay in April to mate and give birth and returning. (
  • Heaviside's dolphins have a limited range, restricted to southwestern Africa (Angola to South Africa), with records from about 17°S to the southwestern tip of the continent. (
  • Dolphins have a short and well-defined snout that looks like an old-fashioned gin bottle, which is the source for their common name. (
  • They also face environmental hazards such as underwater noise pollution , plastic buildup and ongoing climate change, [7] [8] but how much they were affected varies widely from species to species, from minimally in the case of the southern bottlenose whale to the baiji (or Chinese river dolphin) which is considered to be functionally extinct due to human activity. (
  • Common dolphins are thought to be one of the most abundant cetacean species, with population estimates suggesting that there up to several hundred thousand of them globally. (
  • Commerson's dolphin has two geographically-isolated but locally-common subspecies. (
  • Dolphins of the second subspecies, C.c.kerguelenensis , were discovered in the 1950s. (
  • Dolphins of the kerguelenensis subspecies tend to be larger than those of C.c.commersonii , and differ in patterning in that they are dark grey instead of black, and light grey instead of white, except ventrally. (
  • While differences in tail length between the Indus and Ganges dolphins has led some authors to consider two subspecies, P. g. gangetica and P. g. minor , genetic analysis has not resolved this issue. (
  • Douglas ME, Schnell GD, Hough DJ (1984) Differentiation Between Inshore and Offshore Spotted Dolphins in the Eastern Tropical Pacific Ocean. (
  • Inverted hunting enables dolphins to catch prey that is sitting very close to the surface of the water. (
  • This behaviour is thought to help the dolphins locate prey, threats or possibly even landmarks. (
  • Bottlenose dolphins tend to drive their prey to the beach and feed on them, a practice known as strand feeding. (
  • These dolphins feed on prey which have an average length of about 7.9 inches. (
  • Platanistidae is a river dolphin family featuring one extant species, the South Asian river dolphin. (
  • Some scientists have theorized that a single whale or dolphin may strand itself due to illness or injury, swimming in close to shore to take refuge in shallow water and getting trapped by the changing tide. (
  • Originally scientists thought that the franciscana dolphin moved from fresh water to salt water during its lifetime, but now they know that it spends its entire life in the ocean. (
  • Scientists disagree about just how the dolphins actually make the sounds. (
  • Scientists analyzing the dolphin brain have determined that, like us, they possess a very complex neocortex - a region of the brain linked to awareness, emotions, problem-solving and other human-like abilities. (
  • Scientists warn that the Argentina study "provides an example of how the failure to recognize local population declines can threaten the national (and eventually the international) status of a once common marine species. (
  • Scientists said illegal fishing on the river, sometimes using explosives, had wreaked havoc on the dolphin population. (
  • Scientists have developed a possible way to immunise animals against HIV using the common cold virus. (
  • A study using mice has led scientists one step closer to developing a vaccine against the most common cause of bacterial meningitis, Meningococcus B. (
  • While many claims have been made about the swimming speeds of dolphins, it appears that the rate of speed dolphins attain is closely related to their feeding habits. (
  • Sequence analysis of a conserved fragment of the morbillivirus phosphoprotein gene indicated that the virus is closely related to dolphin morbillivirus recently reported in striped dolphins in the Mediterranean Sea. (
  • They consider the Irawaddy dolphin to be more closely related to the common dolphin. (
  • However, the Arabian common dolphin may constitute a different species of common dolphin. (
  • These dolphins inhabit warm and temperate seas worldwide. (