Whales
Humpback Whale
Fin Whale
Minke Whale
Sperm Whale
Whales, Pilot
Balaenoptera
Cetacea
Bowhead Whale
Dolphins
Myoglobin
Diving
Acoustics
Pacific Ocean
Echolocation
Metmyoglobin
Ships
Porpoises
Sound Spectrography
Feeding Behavior
Extraction and Processing Industry
Animal Migration
Sharks
Predatory Behavior
Phocoena
Azores
Antitrust Laws
Chicago
Structural dynamics of ligand diffusion in the protein matrix: A study on a new myoglobin mutant Y(B10) Q(E7) R(E10). (1/602)
A triple mutant of sperm whale myoglobin (Mb) [Leu(B10) --> Tyr, His(E7) --> Gln, and Thr(E10) --> Arg, called Mb-YQR], investigated by stopped-flow, laser photolysis, crystallography, and molecular dynamics (MD) simulations, proved to be quite unusual. Rebinding of photodissociated NO, O2, and CO from within the protein (in a "geminate" mode) allows us to reach general conclusions about dynamics and cavities in proteins. The 3D structure of oxy Mb-YQR shows that bound O2 makes two H-bonds with Tyr(B10)29 and Gln(E7)64; on deoxygenation, these two residues move toward the space occupied by O2. The bimolecular rate constant for NO binding is the same as for wild-type, but those for CO and O2 binding are reduced 10-fold. While there is no geminate recombination with O2 and CO, geminate rebinding of NO displays an unusually large and very slow component, which is pretty much abolished in the presence of xenon. These results and MD simulations suggest that the ligand migrates in the protein matrix to a major "secondary site," located beneath Tyr(B10)29 and accessible via the motion of Ile(G8)107; this site is different from the "primary site" identified by others who investigated the photolyzed state of wild-type Mb by crystallography. Our hypothesis may rationalize the O2 binding properties of Mb-YQR, and more generally to propose a mechanism of control of ligand binding and dissociation in hemeproteins based on the dynamics of side chains that may (or may not) allow access to and direct temporary sequestration of the dissociated ligand in a docking site within the protein. This interpretation suggests that very fast (picosecond) fluctuations of amino acid side chains may play a crucial role in controlling O2 delivery to tissue at a rate compatible with physiology. (+info)Declining survival probability threatens the North Atlantic right whale. (2/602)
The North Atlantic northern right whale (Eubalaena glacialis) is considered the most endangered large whale species. Its population has recovered only slowly since the cessation of commercial whaling and numbers about 300 individuals. We applied mark-recapture statistics to a catalog of photographically identified individuals to obtain the first statistically rigorous estimates of survival probability for this population. Crude survival decreased from about 0.99 per year in 1980 to about 0.94 in 1994. We combined this survival trend with a reported decrease in reproductive rate into a branching process model to compute population growth rate and extinction probability. Population growth rate declined from about 1. 053 in 1980 to about 0.976 in 1994. Under current conditions the population is doomed to extinction; an upper bound on the expected time to extinction is 191 years. The most effective way to improve the prospects of the population is to reduce mortality. The right whale is at risk from entanglement in fishing gear and from collisions with ships. Reducing this human-caused mortality is essential to the viability of this population. (+info)Sex-biased dispersal in sperm whales: contrasting mitochondrial and nuclear genetic structure of global populations. (3/602)
The social organization of most mammals is characterized by female philopatry and male dispersal. Such sex-biased dispersal can cause the genetic structure of populations to differ between the maternally inherited mitochondrial DNA (mtDNA) and the bi-parental nuclear genome. Here we report on the global genetic structure of oceanic populations of the sperm whale, one of the most widely distributed mammalian species. Groups of females and juveniles are mainly found at low latitudes, while males reach polar waters, returning to tropical and subtropical waters to breed. In comparisons between oceans, we did not find significant heterogeneity in allele frequencies of microsatellite loci (exact test; p = 0.23). Estimates of GST = 0.001 and RST = 0.005 also indicated negligible if any nuclear DNA differentiation. We have previously reported significant differentiation between oceans in mtDNA sequences. These contrasting patterns suggest that interoceanic movements have been more prevalent among males than among females, consistent with observations of females being the philopatric sex and having a more limited latitudinal distribution than males. Consequently, the typical mammalian dispersal pattern may have operated on a global scale in sperm whales. (+info)Quench-flow experiments combined with mass spectrometry show apomyoglobin folds through and obligatory intermediate. (4/602)
Folding of apomyoglobin is characterized by formation of a compact intermediate that contains substantial helicity. To determine whether this intermediate is obligatory or whether the protein can fold directly into the native state via an alternate parallel pathway, we have combined quench-flow hydrogen-exchange pulse labeling techniques with electrospray ionization mass spectrometry. The mass spectra of apomyoglobin obtained at various refolding times suggest that apomyoglobin indeed folds through a single pathway containing an obligatory intermediate with a significant hydrogen-bonded secondary structure content. (+info)Purification and properties of whale thyroid-stimulating hormone III. Properties of isolated multiple components. (5/602)
Properties of the four purified components of whale thyroid-stimulating hormone (TSH) have been compared. The amino acid composition shows close similarity among these components. Their hexosamine and sialic acid contents are of the same magnitude, whereas the neutral sugar composition differs somewhat from each other. The molecular weight of whale TSH determined by sedimentation equilibrium is 29,000, and no difference in molecular weight as well as in Stokes radius as determined by gel filtration has been detected among these four components. The amino acid and carbohydrate compositions of whale TSH resemble those of TSH from other species, especially those of non-primate mammalian TSH. Whale TSH contains, unlike bovine TSH but like human TSH, 1-2 residues of sialic acid as a constituent carbohydrate. (+info)Abiotrophia balaenopterae sp. nov., isolated from the minke whale (Balaenoptera acutorostrata). (6/602)
Phenotypic and phylogenetic studies were performed on a hitherto undescribed micro-organism isolated from a minke whale (Balaenoptera acutorostrata). Comparative 16S rRNA gene sequencing studies demonstrated that the unknown strain constituted a new subline close to, but distinct from, Abiotrophia adiacens and Abiotrophia elegans. The unknown bacterium was readily distinguished from these two Abiotrophia species by biochemical tests and electrophoretic analysis of whole-cell proteins. On the basis of phylogenetic and phenotypic evidence, it is proposed that the unknown bacterium be classified as Abiotrophia balaenopterae sp. nov., the type strain of which is M1975/96/1T (= CCUG 37380T). (+info)Immunohistological distributions of fibronectin, tenascin, type I, III and IV collagens, and laminin during tooth development and degeneration in fetuses of minke whale, Balaenoptera acutorostrata. (7/602)
The immunohistological distributions of fibronectin, tenascin, type I, III and IV collagens, and laminin were observed in the tooth buds of fetuses of minke whale, Balaenoptera acutorostrata. Distributions of extracellular matrices (ECMs) examined in this study except for tenascin were generally similar to those of terrestrial mammalian species during development of the tooth bud. Tenascin in the fetuses of minke whale showed characteristic distributions in the dental lamina and the enamel organ in the early tooth developmental stage. In the physiological degeneration stage of tooth bud development, immunoreactivity of the ECMs were very weakly and limitedly detected in the dental papilla and the surrounding mesenchyme. Immunoreactivity of tenascin and type I and III collagens were positively detected in the developing baleen plate germ which was associated with the degenerating tooth bud. These findings suggested that expressions of the ECMs were related to the formation of the tooth bud and baleen plate germ, and that the lack of the ECMs was related to the degeneration of the tooth bud in the fetal minke whale. (+info)A study of vibrational relaxation of B-state carbon monoxide in the heme pocket of photolyzed carboxymyoglobin. (8/602)
The vibrational energy relaxation of dissociated carbon monoxide in the heme pocket of sperm whale myoglobin has been studied using equilibrium molecular dynamics simulation and normal mode analysis methods. Molecular dynamics trajectories of solvated myoglobin were run at 300 K for both the delta- and epsilon-tautomers of the distal histidine, His64. Vibrational population relaxation times were estimated using the Landau-Teller model. For carbon monoxide (CO) in the myoglobin epsilon-tautomer, for a frequency of omega0 = 2131 cm-1 corresponding to the B1 state, T1epsilon(B1) = 640 +/- 185 ps, and for a frequency of omega0 = 2119 cm-1 corresponding to the B2 state, T1epsilon(B2) = 590 +/- 175 ps. Although the CO relaxation rates in both the epsilon- and delta-tautomers are similar in magnitude, the simulations predict that the vibrational relaxation of the CO is faster in the delta-tautomer. For CO in the myoglobin delta-tautomer, it was found that the relaxation times were identical within error for the two CO substate frequencies, T1delta(B1) = 335 +/- 115 ps and T1delta(B2) = 330 +/- 145 ps. These simulation results are in reasonable agreement with experimental results of Anfinrud and coworkers (unpublished results). Normal mode calculations were used to identify the dominant coupling between the protein and CO molecules. The calculations suggest that the residues of the myoglobin pocket, acting as a first solvation shell to the CO molecule, contribute the primary "doorway" modes in the vibrational relaxation of the oscillator. (+info)I believe there may be some confusion in your question. Whales are not a medical term but rather large marine mammals. They belong to the Cetacean family, which includes dolphins and porpoises. If you're asking about a medical condition or something similar that might be associated with the word "whales," I would need more information to provide an accurate response.
I'm sorry for any confusion, but the term "Humpback Whale" is not a medical term. It is a species of baleen whale. Here's a common name definition:
Humpback Whales (Megaptera novaeangliae) are a species of baleen whale known for their long pectoral fins, which can be up to one-third of their body length, and their distinctive humped back when they breach the water's surface. They are also famous for their complex and varied songs, which can be heard for miles and play a significant role in their mating rituals. Humpback Whales are found in oceans all around the world and are currently not listed as endangered, although they have been heavily impacted by whaling in the past.
I'm sorry for any confusion, but "Fin Whale" is not a medical term. It is a species of whale, and it's the second largest mammal after the blue whale. The fin whale (Balaenoptera physalus) is a fast-swimming, long-bodied whale that's variously known as the finback, razorback, or common rorqual. Fin whales are cosmopolitan and can be found in all oceans of the world. They prefer deep offshore waters and migrate to tropical and subtropical waters in the winter to breed and give birth.
If you have any medical terms that you would like me to define, please let me know!
A Minke Whale is not a medical term. It is a type of baleen whale, which is one of the two major groups of whales and dolphins, the other being the toothed whales. There are two species of minke whales: the common minke whale (Balaenoptera acutorostrata) and the Antarctic minke whale (Balaenoptera bonaerensis). They are relatively small oceanic creatures, with a robust body and a pointed head. The common minke whale is found in both hemispheres, while the Antarctic minke whale is found only in the Southern Ocean.
Minke whales are not typically associated with medical definitions or terminology, unless in the context of a medical condition affecting the species or its population, such as a disease outbreak or injury.
I'm sorry for the confusion, but "Sperm Whale" is not a medical term. It is a species of whale, scientifically known as Physeter macrocephalus. Sperm whales are the largest toothed whales and have distinctive square-shaped heads that can make up to one-third of their body length. They are named for the waxy substance called spermaceti found in their heads, which was once mistakenly thought to be sperm.
If you're looking for a medical definition or information related to human health, please provide more details so I can assist you better.
Pilot whales are not actually whales, but they are the second largest species of dolphin. There are two species: the long-finned pilot whale (Globicephala melas) and the short-finned pilot whale (Globicephala macrorhynchus). They are known for their large, bulbous heads and their social behavior, often living in groups called pods that can number in the hundreds. Pilot whales can grow up to 20 feet long and weigh up to 3,000 pounds. They primarily feed on squid and fish. Their name is believed to have come from the fact that they were historically hunted by sailors who would use them as "pilots" to guide their ships through unfamiliar waters.
'Balaenoptera' is a genus of marine mammals that includes several species of baleen whales, also known as rorquals. Some of the well-known species in this genus are:
1. Blue Whale (Balaenoptera musculus) - The blue whale is the largest animal ever known to have existed, with adults reaching lengths of up to 100 feet (30 meters) and weights of as much as 200 tons. They feed primarily on krill and are found in all oceans except the Arctic.
2. Fin Whale (Balaenoptera physalus) - The fin whale is the second-largest species of baleen whale, with adults reaching lengths of up to 85 feet (26 meters) and weights of around 74 tons. They feed on krill and small fish and are widely distributed in all oceans.
3. Sei Whale (Balaenoptera borealis) - The sei whale is a medium-sized baleen whale, with adults reaching lengths of up to 60 feet (18 meters) and weights of around 20 tons. They feed on krill and small fish and are found in cold and temperate waters worldwide.
4. Bryde's Whale (Balaenoptera brydei) - The Bryde's whale is a smaller baleen whale, with adults reaching lengths of up to 50 feet (15 meters) and weights of around 15 tons. They feed on krill and small fish and are found in tropical and warm temperate waters worldwide.
These species are characterized by their long, slender bodies, streamlined pectoral fins, and a distinctive ridge along the top of their head. Baleen whales have baleen plates instead of teeth for filter-feeding, which allows them to consume large quantities of small organisms such as krill and fish.
Cetacea is a taxonomic order that includes whales, dolphins, and porpoises. This group of marine mammals is characterized by their fully aquatic lifestyle, torpedo-shaped bodies, modified limbs that serve as flippers, and the absence of external hindlimbs. Cetaceans have streamlined bodies that minimize drag while swimming, and their tail flukes enable powerful propulsion through vertical movement in the water column.
Their respiratory system features a pair of blowholes on the top of their heads, which they use to breathe air at the surface. Cetaceans exhibit complex social behaviors, advanced communication skills, and sophisticated echolocation abilities for navigation and hunting. They primarily feed on fish and invertebrates, with some larger species preying on marine mammals.
Cetaceans have a global distribution, occupying various habitats such as open oceans, coastal areas, and rivers. Unfortunately, many cetacean populations face threats from human activities like pollution, habitat degradation, climate change, and direct hunting or bycatch in fishing gear. Conservation efforts are crucial to protect these remarkable creatures and their vital roles in marine ecosystems.
The bowhead whale (Balaena mysticetus) is a large baleen whale species that belongs to the family Balaenidae. It is also known as the Greenland right whale or Arctic right whale. The name "bowhead" comes from its distinctive bow-shaped skull, which allows the whale to break through thick sea ice in order to breathe.
Bowhead whales are the largest species of baleen whale and can grow up to 60 feet long and weigh as much as 100 tons. They have a robust, rotund body shape with a broad, tapering tail stock and large, paddle-shaped flippers. The most notable feature of bowhead whales is their enormous, complex baleen plates, which can measure up to 16 feet long in adult individuals. These baleen plates are used to filter small prey such as krill and copepods from the water column.
Bowhead whales have a circumpolar distribution in the Arctic and sub-Arctic waters of the Northern Hemisphere, where they spend their entire lives. They are known for their longevity, with some individuals living up to 200 years or more. Bowhead whales are also notable for their vocalizations, which include a variety of low-frequency sounds such as moans, hums, and pulses that can be heard for miles underwater.
Historically, bowhead whales were heavily hunted by commercial whalers due to their large size, slow movement, and high blubber content. As a result, the global population of bowhead whales was significantly reduced, with some estimates suggesting that there were once over 30,000 individuals in the North Atlantic alone. Today, however, conservation efforts have helped to stabilize and even increase the populations of some bowhead whale subpopulations, particularly in the North Pacific and Canadian Arctic.
"Dolphins" is a common name that refers to several species of marine mammals belonging to the family Delphinidae, within the larger group Cetacea. Dolphins are known for their intelligence, social behavior, and acrobatic displays. They are generally characterized by a streamlined body, a prominent dorsal fin, and a distinctive "smiling" expression created by the curvature of their mouths.
Although "dolphins" is sometimes used to refer to all members of the Delphinidae family, it is important to note that there are several other families within the Cetacea order, including porpoises and whales. Therefore, not all small cetaceans are dolphins.
Some examples of dolphin species include:
1. Bottlenose Dolphin (Tursiops truncatus) - This is the most well-known and studied dolphin species, often featured in aquariums and marine parks. They have a robust body and a prominent, curved dorsal fin.
2. Common Dolphin (Delphinus delphis) - These dolphins are characterized by their hourglass-shaped color pattern and distinct, falcate dorsal fins. There are two subspecies: the short-beaked common dolphin and the long-beaked common dolphin.
3. Spinner Dolphin (Stenella longirostris) - Known for their acrobatic behavior, spinner dolphins have a slender body and a long, thin beak. They are named for their spinning jumps out of the water.
4. Risso's Dolphin (Grampus griseus) - These dolphins have a unique appearance, with a robust body, a prominent dorsal fin, and a distinctive, scarred skin pattern caused by social interactions and encounters with squid, their primary food source.
5. Orca (Orcinus orca) - Also known as the killer whale, orcas are the largest dolphin species and are highly intelligent and social predators. They have a distinctive black-and-white color pattern and a prominent dorsal fin.
In medical terminology, "dolphins" do not have a specific relevance, but they can be used in various contexts such as therapy, research, or education. For instance, dolphin-assisted therapy is an alternative treatment that involves interactions between patients and dolphins to improve psychological and physical well-being. Additionally, marine biologists and researchers study dolphin behavior, communication, and cognition to understand their complex social structures and intelligence better.
Myoglobin is a protein found in the muscle tissue, particularly in red or skeletal muscles. It belongs to the globin family and has a similar structure to hemoglobin, another oxygen-binding protein found in red blood cells. Myoglobin's primary function is to store oxygen within the muscle cells, making it readily available for use during periods of increased oxygen demand, such as during physical exertion.
Myoglobin contains heme groups that bind to and release oxygen molecules. The protein has a higher affinity for oxygen than hemoglobin, allowing it to maintain its bound oxygen even in low-oxygen environments. When muscle cells are damaged or undergo necrosis (cell death), myoglobin is released into the bloodstream and can be detected in serum or urine samples. Elevated levels of myoglobin in the blood or urine may indicate muscle injury, trauma, or diseases affecting muscle integrity, such as rhabdomyolysis or muscular dystrophies.
The term "diving" is generally not used in the context of medical definitions. However, when referring to diving in relation to a medical or physiological context, it usually refers to the act of submerging the body underwater, typically for activities such as swimming, snorkeling, or scuba diving.
In a medical or physiological sense, diving can have specific effects on the human body due to changes in pressure, temperature, and exposure to water. Some of these effects include:
* Changes in lung volume and gas exchange due to increased ambient pressure at depth.
* Decompression sickness (DCS) or nitrogen narcosis, which can occur when dissolved gases form bubbles in the body during ascent from a dive.
* Hypothermia, which can occur if the water is cold and the diver is not adequately insulated.
* Barotrauma, which can occur due to pressure differences between the middle ear or sinuses and the surrounding environment.
* Other medical conditions such as seizures or heart problems can also be exacerbated by diving.
It's important for divers to undergo proper training and certification, follow safe diving practices, and monitor their health before and after dives to minimize the risks associated with diving.
Acoustics is a branch of physics that deals with the study of sound, its production, transmission, and effects. In a medical context, acoustics may refer to the use of sound waves in medical procedures such as:
1. Diagnostic ultrasound: This technique uses high-frequency sound waves to create images of internal organs and tissues. It is commonly used during pregnancy to monitor fetal development, but it can also be used to diagnose a variety of medical conditions, including heart disease, cancer, and musculoskeletal injuries.
2. Therapeutic ultrasound: This technique uses low-frequency sound waves to promote healing and reduce pain and inflammation in muscles, tendons, and ligaments. It is often used to treat soft tissue injuries, arthritis, and other musculoskeletal conditions.
3. Otology: Acoustics also plays a crucial role in the field of otology, which deals with the study and treatment of hearing and balance disorders. The shape, size, and movement of the outer ear, middle ear, and inner ear all affect how sound waves are transmitted and perceived. Abnormalities in any of these structures can lead to hearing loss, tinnitus, or balance problems.
In summary, acoustics is an important field of study in medicine that has applications in diagnosis, therapy, and the understanding of various medical conditions related to sound and hearing.
I'm sorry for any confusion, but the term "Pacific Ocean" is a geographical term referring to the largest single body of saltwater on Earth, extending from the Arctic in the north to the Antarctic in the south. It covers an area of about 63,800,000 square miles (165,200,000 square kilometers).
If you're looking for a medical term or definition, I'd be happy to help with that as well. Could you please provide more context?
Echolocation is a biological sonar system used by certain animals to navigate and locate objects in their environment. It is most commonly associated with bats and dolphins, although some other species such as shrews and cave-dwelling birds also use this method.
In echolocation, the animal emits a series of sounds, often in the form of clicks or chirps, which travel through the air or water until they hit an object. The sound then reflects off the object and returns to the animal, providing information about the distance, size, shape, and location of the object.
By analyzing the time delay between the emission of the sound and the reception of the echo, as well as the frequency changes in the echo caused by the movement of the object or the animal itself, the animal can create a mental image of its surroundings and navigate through it with great precision.
Metmyoglobin is the oxidized form of myoglobin, a protein found in muscle tissue that binds and stores oxygen. When myoglobin is exposed to oxidizing agents or when muscle tissue is damaged (such as during exercise or after death), it can become oxidized and transform into metmyoglobin. This form of the protein cannot bind or store oxygen, and its presence in food (particularly in meats) can lead to off-flavors, discoloration, and reduced shelf life. In medical contexts, metmyoglobin may be used as a marker for muscle damage or hypoxia (lack of oxygen).
I'm sorry for any confusion, but "ships" is not a medical term. It is a common noun referring to large vehicles used for transportation on water. If you have any medical questions or terms you would like defined, I would be happy to help!
I'm sorry for any confusion, but "porpoises" are not a medical term. They refer to a group of marine mammals that are closely related to dolphins. If you have any questions about medical terminology or concepts, I would be happy to help clarify those for you!
Sound spectrography, also known as voice spectrography, is a diagnostic procedure in which a person's speech sounds are analyzed and displayed as a visual pattern called a spectrogram. This test is used to evaluate voice disorders, speech disorders, and hearing problems. It can help identify patterns of sound production and reveal any abnormalities in the vocal tract or hearing mechanism.
During the test, a person is asked to produce specific sounds or sentences, which are then recorded and analyzed by a computer program. The program breaks down the sound waves into their individual frequencies and amplitudes, and displays them as a series of horizontal lines on a graph. The resulting spectrogram shows how the frequencies and amplitudes change over time, providing valuable information about the person's speech patterns and any underlying problems.
Sound spectrography is a useful tool for diagnosing and treating voice and speech disorders, as well as for researching the acoustic properties of human speech. It can also be used to evaluate hearing aids and other assistive listening devices, and to assess the effectiveness of various treatments for hearing loss and other auditory disorders.
Feeding behavior refers to the various actions and mechanisms involved in the intake of food and nutrition for the purpose of sustaining life, growth, and health. This complex process encompasses a coordinated series of activities, including:
1. Food selection: The identification, pursuit, and acquisition of appropriate food sources based on sensory cues (smell, taste, appearance) and individual preferences.
2. Preparation: The manipulation and processing of food to make it suitable for consumption, such as chewing, grinding, or chopping.
3. Ingestion: The act of transferring food from the oral cavity into the digestive system through swallowing.
4. Digestion: The mechanical and chemical breakdown of food within the gastrointestinal tract to facilitate nutrient absorption and eliminate waste products.
5. Assimilation: The uptake and utilization of absorbed nutrients by cells and tissues for energy production, growth, repair, and maintenance.
6. Elimination: The removal of undigested material and waste products from the body through defecation.
Feeding behavior is regulated by a complex interplay between neural, hormonal, and psychological factors that help maintain energy balance and ensure adequate nutrient intake. Disruptions in feeding behavior can lead to various medical conditions, such as malnutrition, obesity, eating disorders, and gastrointestinal motility disorders.
The Extraction and Processing Industry, also known as the extraction industry or the mining sector, is a major category of businesses and economic activities involved in the removal of minerals and other natural resources from the earth. This industry includes several types of extraction operations, such as:
1. Oil and gas extraction: This involves the exploration, drilling, and pumping of crude oil and natural gas from underground reservoirs.
2. Mining: This includes the extraction of various minerals like coal, iron ore, copper, gold, silver, and other metals and non-metallic minerals. There are different methods used for mining, such as surface mining (open-pit or strip mining) and underground mining.
3. Support activities for mining: This category includes services and supplies needed for the extraction of minerals, like drilling, exploration, and mining support services.
After the extraction process, these raw materials undergo further processing to transform them into usable forms, such as refining crude oil into various petroleum products or smelting metals for manufacturing purposes. This processing stage is often included in the definition of the Extraction and Processing Industry.
The medical definition of this industry may not be explicitly stated; however, it indirectly impacts public health and the environment. For instance, mining activities can lead to air and water pollution, exposure to harmful substances, and increased risk of accidents and injuries for workers. Therefore, understanding the Extraction and Processing Industry is essential in addressing potential health hazards associated with these operations.
Animal migration is a seasonal movement of animals from one place to another, typically over long distances, to find food, reproduce, or escape harsh conditions. This phenomenon is observed in various species, including birds, mammals, fish, and insects. The routes and destinations of these migrations are often genetically programmed and can be quite complex. Animal migration has important ecological consequences and is influenced by factors such as climate change, habitat loss, and human activities.
Animal vocalization refers to the production of sound by animals through the use of the vocal organs, such as the larynx in mammals or the syrinx in birds. These sounds can serve various purposes, including communication, expressing emotions, attracting mates, warning others of danger, and establishing territory. The complexity and diversity of animal vocalizations are vast, with some species capable of producing intricate songs or using specific calls to convey different messages. In a broader sense, animal vocalizations can also include sounds produced through other means, such as stridulation in insects.
I'm sorry for any confusion, but "sharks" are not a medical term. Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral and dorsal fins without spines.
If you have any medical questions or terms that you would like defined, I'd be happy to help!
In the context of mental health and psychology, "predatory behavior" is not a term that is commonly used as a medical diagnosis or condition. However, it generally refers to aggressive or exploitative behavior towards others with the intention of taking advantage of them for personal gain or pleasure. This could include various types of harmful behaviors such as sexual harassment, assault, stalking, bullying, or financial exploitation.
In some cases, predatory behavior may be associated with certain mental health conditions, such as antisocial personality disorder or psychopathy, which are characterized by a disregard for the rights and feelings of others. However, it's important to note that not all individuals who engage in predatory behavior have a mental health condition, and many people who do may not necessarily exhibit these behaviors.
If you or someone else is experiencing harm or exploitation, it's important to seek help from a trusted authority figure, such as a healthcare provider, law enforcement officer, or social worker.
"Phocoena" is the genus name for a group of marine mammals commonly known as porpoises. These are small, toothed whales that are characterized by their robust body, short beak, and distinct triangular dorsal fin. The term "Phocoena" specifically refers to a few species within this family, including the harbor porpoise (Phocoena phocoena) and the spectacled porpoise (Phocoena dioptrica). These animals are known for their agile swimming abilities and are found in various parts of the world's oceans.
I'm sorry for any confusion, but "Oceanography" is not a term typically used in medical definitions. Oceanography is the scientific study of the ocean. It involves understanding and describing the ocean's physical and chemical properties, organisms that live there, and the processes that occur within it and at its boundaries with the seafloor and atmosphere.
If you have any questions related to medical terminology or health sciences, I'd be happy to help!
I'm not aware of any medical definitions for "Azores." The Azores is a group of nine volcanic islands in the Atlantic Ocean, located about 850 miles west of Portugal. They are an autonomous region of Portugal and have a population of around 250,000 people. The islands are known for their beautiful landscapes, mild climate, and unique flora and fauna.
If you have any specific questions related to the Azores or if there is something specific you would like to know about the region in a medical context, please let me know and I will do my best to help!
I apologize for any confusion, but "baseball" is not a medical term. It is a sport that involves two teams of nine players each trying to score runs by hitting a ball with a bat and running around four bases on a field. If you have any questions about medical terminology or concepts, I would be happy to help clarify those for you.
Antitrust laws are a set of legal regulations that aim to promote competition and prevent monopolies in markets. These laws prohibit businesses from engaging in restrictive practices designed to reduce competition, such as price-fixing, bid-rigging, and market allocation schemes. Antitrust laws also discourage mergers and acquisitions that may substantially lessen competition or create monopolies. The ultimate goal of antitrust laws is to protect consumers from unfair or deceptive trade practices, promote economic efficiency, and ensure fair and free markets. Some well-known antitrust laws include the Sherman Act, the Clayton Act, and the Federal Trade Commission Act in the United States, and similar laws exist in many other countries around the world.
I apologize, but "Chicago" is not a medical term or concept. Chicago is the largest city in the state of Illinois and the third-most populous city in the United States. It's known for its impressive architecture, vibrant arts scene, and significant contributions to American culture, including jazz music, improvisational theater, and culinary innovations like deep-dish pizza and the Chicago-style hot dog.
If you have any questions related to medical topics or definitions, please feel free to ask!
I'm sorry for any confusion, but "Portraits as Topic" is not a medical term or concept. It refers to portraits, which are visual representations or images of a person, usually showing the face and shoulders. The term "as Topic" indicates that it is the subject or theme being discussed. Therefore, "Portraits as Topic" generally relates to the study, analysis, or discussion of portraits in various contexts, such as art, psychology, sociology, or history. If you have any medical questions or terms you would like me to define, please don't hesitate to ask!
Irish Whales
Whales & Nightingales
Freelance Whales
Flying Whales
Antarctic whales
Walnut Whales
Chicago Whales
Whales Alive
Chinatrust Whales
White Whales (film)
Bringing Whales Ashore
Bay of Whales
Braking for Whales
UNSW Killer Whales
Daemyung Killer Whales
Whales of Iceland
Whales In Cubicles
Sichuan Blue Whales
Whales and Leeches
Hunting Whales (album)
House of Whales
Why the Whales Came
Children of the Whales
Secrets of the Whales
From Wolves to Whales
Of Whales and Woe
Three Whales Corruption Scandal
Nuclear Whales Saxophone Orchestra
1915 Chicago Whales season
The Whales of August
Irish Whales - Wikipedia
Whales | Abcteach
Sperm whales blow 'trumpets' to communicate
Bay of Whales | Infoplease
Opinion | Obama vs. Whales | Common Dreams
Humpback Whales
Whales and Dolphins of the World
12 Fascinating Facts About Whales
BBC NEWS | Science & Environment | Beaked whales: Your questions answered
The Whale Man - Los Angeles Times
Baleen whales hear through their bones | EurekAlert!
whales and dolphins - Encyclopedia of Life
Whales & Coastal Dolphins - WCS.org
Native Alaskans Continue Whaling Tradition
Smell of rotting whale on truck 'unbelievable'
Buy The Whale - Microsoft Store en-AU
Whales Archives - Brooklyn Eagle
Animal Sex: How Blue Whales Do It | Live Science
Rare footage shows North Atlantic right whales 'hug'
Heartbreaking beached whales in the BVI | Virgin
Beluga Whales | Animal Viewing | SeaWorld San Diego
Killer Threats to Killer Whales - Earth911
Baleen whale Definition & Meaning - Merriam-Webster
bowhead right whale
Rafinesque's Sicilian whale, Balena gastrytis
Chicago Whales - BR Bullpen
petition: Save Endangered Whales from Seismic Surveys in the Mediterranean
A group of humpback whales is choosing violence | Popular Science
Developing the Right Technology for Right Whales | Department of Energy
Humpback whale8
- A humpback whale that washed ashore on a New York beach this. (brooklyneagle.com)
- A 35-foot (11-meter) humpback whale washed ashore and later died. (brooklyneagle.com)
- A surface-active adult humpback whale migrating along the eastern coastline of Australia. (popsci.com)
- Humpback whale songs have been studied for more than half a century , following the development of better underwater microphones in the 1970s that allowed scientists to record them. (popsci.com)
- Boat noise is driving humpback whale moms into deep, dangerous water. (popsci.com)
- The team used data from 1997 to 2015 , when the humpback whale population in eastern Australia exploded from roughly 3,700 whales to 27,000. (popsci.com)
- A rare humpback whale 'megapod' was spotted snacking off the Australian coast. (popsci.com)
- A humpback whale, dubbed Jerry by researchers, showed that some summer tourists come by sea, as the magnificent creature surfaced off the coast of the Big Apple. (nypost.com)
Species36
- Twenty years after the fact, the discovery of the staggering scale of the Soviets' cheating nullified the data scientists had been using to estimate the populations of virtually every species of great whale. (commondreams.org)
- But other species, like the sperm whale , have teeth only on their bottom jaw, which makes it all but impossible to grab their food. (mentalfloss.com)
- Whales and Dolphins of the World is a celebration of the variety (more than 80 species), behavior, and natural history of these remarkable animals. (mit.edu)
- The book explores the strong relationship between our species and theirs, with a look at dolphin therapy and the pros and cons of whale-watching. (mit.edu)
- What does the whale's diet consist of and what exactly make them different from other species of whales besides the beak? (bbc.co.uk)
- Can you give us some examples of the geographical range where different species of whale are found? (bbc.co.uk)
- On the hunting side, Norway and the UK used to hunt the northern bottlenose whale, and currently Japan has a hunt of Baird's beaked whale, the largest of the species, which does not fall under the jurisdiction of the International Whaling Commission. (bbc.co.uk)
- How do we know that they do harm the whales if we barely know anything about the species? (bbc.co.uk)
- There are 359 species of Whales And Dolphins, in 234 genera and 47 families. (eol.org)
- The environments in which many whales and dolphins species are known to live. (eol.org)
- All of these whales are considered endangered, with the exception of the gray whale, which recently was removed from the endangered species list, Cranford said. (eurekalert.org)
- Whales and coastal dolphins are some of the earth's most iconic species. (wcs.org)
- The impacts from a changing climate also loom, from potentially shifting the abundance and distribution of essential prey species to melting previously ice-locked polar waters that will expose whales to even more human activity. (wcs.org)
- Similarly, of the 19 great whale species, we work directly on programs to save 14. (wcs.org)
- Using genetic analyses, WCS plays a leading role in outlining the population differences for many great whale species-including humpback whales, blue whales, and right whales. (wcs.org)
- In 2014, Gabon declared 23% of its territorial waters as an MPA network that will help safeguard whales and other marine species. (wcs.org)
- These efforts generate important baseline data and we use the information to recommend and guide the implementation of 'best practices' that mitigate impacts to whales and other species. (wcs.org)
- Aside from the narwhal (another arctic species), beluga whales are the only other member of the Monodontidae whale family. (seaworld.com)
- Fewer than 400 North Atlantic right whales remain in the ocean, making them one of the planet's most critically endangered species. (nationalgeographic.com)
- Overall, orcas are generalists, hunting a wide variety of species from salmon to seabirds and even sharks and whales. (earth911.com)
- In 1815, the naturalist Constantine S. Rafinesque described a new species of cetacean, Balena gastrytis, from Sicily, based on a whale that stranded on Carini beach near Palermo. (usgs.gov)
- In comparing the characteristics of his new whale with known species, Rafinesque also took the opportunity to name a new genus, Cetoptera, to replace Balaenoptera Lacépède, 1804. (usgs.gov)
- The Hellenic Trench in the Mediterranean has two resident whale species - the iconic sperm whale and the elusive Cuvier's beaked whale. (thepetitionsite.com)
- The humpbacks in eastern Australia have rebounded close to pre-whaling levels and have even been taken off of the threatened species list . (popsci.com)
- Protected-species observers, who are part of the environmental monitoring team hired by developers, conduct visual observations and check the CABOW whale detections. (energy.gov)
- Time is running out to protect the North Atlantic right whale, and the American people are not going to let this iconic species permanently disappear from our oceans. (earthjustice.org)
- It depends on how endangered the whale species is, and which organizations are promoting it. (wikihow.com)
- You donate money to help the species, or help an individual whale in the recovering process. (wikihow.com)
- Sperm whales are listed as endangered under the Endangered Species Act and as depleted under the Marine Mammal Protection Act. (yahoo.com)
- Scientists estimate the species can only recover if less than one North Atlantic right whale dies per year from these human causes. (cnn.com)
- It found that the oceans are facing a shortfall of krill, a vital component of the food chain, due to climate change and the recovery of species such as humpback whales. (abc.net.au)
- An international highway for ships, the area is an important feeding ground and a migratory route for blue, fin, and humpback whales, all species that are still endangered or threatened. (abc15.com)
- While the beast is about the same size as a current living species of sperm whale, Physeter macrocephalus , its teeth and jaw muscles were much larger. (listverse.com)
- Apart from that, genomic data of this species might help to investigate cancer resistance in large whales, since these mechanisms are not as important for the pygmy right whale as in other giant rorquals and right whales. (lu.se)
- The lack of shared positive selected genes between different large-bodied whale species supports a previously proposed convergent evolution of gigantism and hence cancer resistance in baleen whales. (lu.se)
- Lipophilic persistent organic pollutants (POPs) tend to biomagnify in food chains , resulting in higher concentrations in species such as killer whales ( Orcinus orca ) feeding on marine mammals compared to those consuming fish. (bvsalud.org)
Dolphins16
- Whales belong to the infraorder Cetacea, which also includes dolphins and porpoises . (mentalfloss.com)
- Whales, dolphins, and porpoises have fascinated humankind for centuries. (mit.edu)
- It details the forces that threaten whales, dolphins, and porpoises, including hunting, whaling, fisheries, pollution, and habitat destruction, and also describes the conservation actions that must take place in the twenty-first century to save them. (mit.edu)
- A color map of the world highlights the waters in which whales and dolphins are found. (mit.edu)
- This book, with its informative, lively text and spectacular images, provides an illuminating look at the lives of whales and dolphins in a changing world. (mit.edu)
- He is the author or coauthor of more than 100 papers, articles, and reports on wildlife conservation, a joint editor of The Conservation of Whales and Dolphins: Science and Practice , and an editor of and contributor to Oceans of Noise . (mit.edu)
- Cetacea (Whales And Dolphins) is an order of mammals . (eol.org)
- Dolphins and whales have large, horizontal caudal hydrofoils, while many fish and sharks have vertical caudal hydrofoils. (eol.org)
- Known occurrences, collected specimens and observations of whales and dolphins. (eol.org)
- Though the commercial whaling moratorium is still in place, whales and coastal dolphins face many threats that challenge their recovery. (wcs.org)
- It will safeguard dolphins, whales, and other marine life. (wcs.org)
- Despite the motorist's shock, dozens of dead whales and dolphins are collected from beaches and taken by lorry to landfills every year, according to Danny Groves, spokesman for Whale and Dolphin Conservation. (telegraph.co.uk)
- Like dolphins and whales, they communicate through vocalization. (earth911.com)
- Humans have an understandable fascination with whales and dolphins, and the best way to see them is in their natural environment, on their terms. (awionline.org)
- The word "whale" has occasionally been considered to include porpoises and dolphins, but this article is about the giant creatures of the sea-the sperm whales, blue whales, humpbacks, orcas, and many others-that have inspired legends all around the world. (listverse.com)
- N substitution in IRF3 DPHK is again found in cetaceans such as whales and dolphins as well as in marsupials. (cdc.gov)
Sperm whale7
- Sperm Whale Mother and Calf. (nature.com)
- The giant sperm whale died when it became stranded on the Kent coast near Seasalter more than a week ago. (telegraph.co.uk)
- Both the Cuvier's beaked whale ( Ziphius cavirostris ) and the Mediterranean sperm whale ( Physeter macrocephalus ) are already under threat. (thepetitionsite.com)
- The sperm whale population has been declining for the last 20 years, Sala previously told 60 Minutes. (yahoo.com)
- National Geographic Explorer Shane Gero started the Dominica Sperm Whale Project. (yahoo.com)
- The squid and whale diorama depicts a sperm whale clashing with its prey, a giant squid. (amnh.org)
- Whales fall into two groups: baleen and toothed, like this sperm whale. (amnh.org)
Minke whales7
- The Ministry for Food, Agriculture, Forestry and Fisheries estimates the damage from the ban on whaling at more than 400 billion won a year, alleging that the number of minke whales Korea proposed hunting off its coast has increased to 16,000. (koreatimes.co.kr)
- Although Korea outlaws whaling for commercial purposes, it's well known that there are markets for whale meat in Ulsan and nearby cities, mostly from minke whales that get caught in fishing nets ``by accident'' or wash ashore. (koreatimes.co.kr)
- According to the study, Antarctic minke whales have shed on average 9% of their blubber during the past 18 years, corresponding to an annual weight loss of 17 kilograms. (abc.net.au)
- Minke whales swim to the Antarctic every summer to feed, and to warm waters during the winter to breed. (abc.net.au)
- According to Gales, some of the data from the study contradicts its main finding that minke whales are suffering. (abc.net.au)
- Use these social-bookmarking links to share Minke whales shedding blubber: study . (abc.net.au)
- The Fisheries Agency said Friday that Japan's five-ship fleet killed 333 minke whales during the four-month expedition. (10news.com)
Right whales20
- Some baleen whales, such as right whales, are constantly taking in water and filtering it out the back of their mouth. (mentalfloss.com)
- WCS conservation scientists have used advanced technologies to track humpback whales and southern right whales through vast stretches of the world's oceans, gathering key information to inform conservation strategies. (wcs.org)
- Scientists recognize North Atlantic right whales based on the unique set of markings, or callosities, that dot their heads. (nationalgeographic.com)
- They were swimming along together as one, two male North Atlantic right whales, each draping a fin over the other's body. (nationalgeographic.com)
- The scientists had taken to the water on February 28 to count right whales and visually assess their size and overall health. (nationalgeographic.com)
- The drone video shows two male North Atlantic right whales named Fiddle and Hyphen swimming together in an intimate way scientists call belly-to-belly behavior. (nationalgeographic.com)
- Moore says this was the first time he'd observed right whales swimming like that-a posture scientists refer to as belly-to-belly behavior. (nationalgeographic.com)
- During the past four years alone, 34 North Atlantic right whales have been found dead on beaches after getting entangled in fishing gear or struck by ships. (nationalgeographic.com)
- North Atlantic right whales engage in these social surface interactions very commonly," says Susan Parks, a behavioral ecologist at Syracuse University, in upstate New York. (nationalgeographic.com)
- One of the reasons it was so overwhelming to me was that there has been an awful lot of bad news for right whales in the past 20 years," he says. (nationalgeographic.com)
- Moore says the video shows the peaceful ways of right whales. (nationalgeographic.com)
- With only about 300 individuals remaining, North Atlantic right whales are classified as Critically Endangered by the International Union for Conservation of Nature. (energy.gov)
- This real-time acoustic monitoring platform can be used by offshore wind energy developers to minimize construction impacts on North Atlantic right whales. (energy.gov)
- This combination of observers and CABOW units provides cost-effective and reliable data on the presence and movement of right whales around offshore construction areas. (energy.gov)
- Threats facing the whales are variable and complex, and the bipartisan Scientific Assistance for Very Endangered ("SAVE") Right Whales Act would fund the research urgently needed to identify innovative technologies that could give these whales a chance. (earthjustice.org)
- Right whales are on the brink of extinction, pushed closer by a rash of recent and unprecedented deaths. (earthjustice.org)
- an advocacy organization, where he leads the effort to protect North Atlantic right whales and improve the management of US fisheries. (cnn.com)
- North Atlantic right whales and speeding boats just don't mix. (cnn.com)
- North Atlantic right whales are spending more time in the colder waters in Canada and different parts of US waters so these seasonal slow zones no longer match when whales are present. (cnn.com)
- Over time, it's become clear that even smaller boats can kill North Atlantic right whales. (cnn.com)
Waters11
- WCS is 'listening' for whales in key areas of the world, including Arctic-Beringia, New York's waters, the Congo Basin Coast, the Western Indian Ocean, and more. (wcs.org)
- Two dead humpback whales were spotted floating in the waters off New. (brooklyneagle.com)
- In spring, the whales migrate northward from warm Caribbean waters where they give birth to cold waters in the northeastern U.S. and Canada, where the zooplankton they eat are more abundant. (nationalgeographic.com)
- Melting ice caused by climate change has given ships more access to Arctic waters, which researchers say could have serious consequences for the survival of bowhead and beluga whales. (cbc.ca)
- The more sperm whales in Dominica's waters, the more carbon sequestered in the deep sea, thus helping to mitigate global warming. (yahoo.com)
- It also appears that Korea's proposal to confine whaling to its own waters ― unlike Japan that hunts whales in Antarctica ― would hardly win sympathy in the international community. (koreatimes.co.kr)
- Blubber is vital for whales because it helps to retain heat in cold waters and store energy and nutrition. (abc.net.au)
- Some 230 million years ago, massive dolphinlike reptiles gathered to breed in safe waters - just like many modern whales do, a study finds. (sciencenews.org)
- Whales don't usually get so close to the city's shoreline, but Jerry is just one of the many large sea creatures venturing closer to the shores of New York and New Jersey because of cleaner waters that are rich with the kind of fish they like to eat. (nypost.com)
- Paul Sieswerda, of the whale-tracking group Gotham Whale, has even described New York City as the "new Cape Cod" because of all the whales showing up to frolic in our waters. (nypost.com)
- Pilot whales writhing and thrashing about madly in shallow waters, the ruby-red sea drenched with their blood and no means or hope for the creatures to escape from their captors the blood-bath scene of a massacre for an age-old tradition of the coming of age, the mark of transition from childhood to adulthood, in the archipelago of the Faroe Islands. (thepetitionsite.com)
Moratorium on commercial3
- After forty years of stumbling toward disaster, with inevitable extinctions drawing near and world opinion growing loud in their ears, the IWC had no choice but to enact a global moratorium on commercial whaling, which went into effect in 1986. (commondreams.org)
- You may know that blue whales are the largest animals to ever live, and that centuries of human hunting decimated whale populations around the world (though many have recovered since a 1986 global moratorium on commercial whaling was enacted). (mentalfloss.com)
- U.S. State Department spokesman Patrick Ventrell was quoted as saying that Washington remained committed to the moratorium on commercial whaling, noting, ``We're concerned about South Korea's announcement that it will begin a lethal scientific research whaling program, and we plan to discuss this with the South Korean government. (koreatimes.co.kr)
Scientists16
- During more than 700 hours of recordings, the scientists identified 230 trumpet sounds from 68 'trumpeter' whales. (nature.com)
- Those few scientists who spend their lives watching whales often are affected in profound ways. (latimes.com)
- At times, scientists sense that the whales they're watching are gazing back with equal curiosity and equal care not to frighten or harm. (latimes.com)
- It's not hard to see why certain scientists long to follow whales as they plunge into an utterly alien world. (latimes.com)
- Most of what scientists know about how whales hear comes from inferring their frequency range from their own vocalizations, as well as anatomic studies of the ears and some sound playback experiments with whales in controlled environments. (eurekalert.org)
- The sex lives of these whales remain mysterious, as scientists have never documented the behemoths mating. (livescience.com)
- The footage shows what scientists refer to as a "surface active group" of whales and features a snapshot of one of two different groups, seen four hours apart, swimming through the bay and possibly mating. (nationalgeographic.com)
- When working on the documentary series Secrets of the Whales for Disney+ , Skerry says, "[scientists] were saying whales have culture and personality and joy and grief. (nationalgeographic.com)
- North Atlantic whales are dying fast , and scientists warn it's now or never if we want to keep them from going extinct. (earthjustice.org)
- Japanese scientists have released a study that suggests whales are losing blubber because ocean resources are growing scarce, a claim discounted by others as flawed. (abc.net.au)
- Fifty years ago, scientists sought a sustainable alternative to prized oil from endangered sperm whales. (sciencenews.org)
- Developed and deployed by the Woods Hole Oceanographic Institution and monitored by Texas A&M Galveston scientists, the acoustic system detects whale calls using an underwater microphone 600 feet below the surface. (abc15.com)
- Community scientists aboard local whale watching and tourism boats add whale observations using the Whale Alert and Spotter Pro mobile apps. (abc15.com)
- Scientists have been tracking a single whale for the past 20 years, yet nobody has ever seen it . (listverse.com)
- A documentary crew are planning to try to find the whale next year, but one of the scientists on the team thinks it may not be as alone as its reputation suggests. (listverse.com)
- Scientists in Peru have uncovered the fossilized jaws of an extinct whale with a truly terrifying bite. (listverse.com)
Killer whales9
- Glen Martin, Discover Magazine , 11 Nov. 2019 In 19th-century Australia, a pod of killer whales was known to herd baleen whales into a bay near a whalers' settlement, then slap their tails to alert the humans to ready the harpoons. (merriam-webster.com)
- Recent news of killer whales sinking boats may bring to mind Jaws or Moby Dick. (earth911.com)
- Members of the dolphin family, orcas are also called killer whales because they are an apex predator . (earth911.com)
- Ivan Watson speaks to a former whale hunter about how he masterminded the capture of dozens of killer whales in Iceland. (cnn.com)
- Varying Diet Composition Causes Striking Differences in Legacy and Emerging Contaminant Concentrations in Killer Whales across the North Atlantic. (bvsalud.org)
- Advancements in dietary studies include the use of quantitative fatty acid signature analysis (QFASA) and differentiation of feeding habits within and between populations of North Atlantic (NA) killer whales . (bvsalud.org)
- This comprehensive study assessed the concentrations of legacy and emerging POPs in 162 killer whales from across the NA. (bvsalud.org)
- We report significantly higher mean levels of polychlorinated biphenyls ( PCBs ), organochlorine pesticides , and flame retardants in Western NA killer whales compared to those of Eastern NA conspecifics. (bvsalud.org)
- The observed variations in contaminant levels were strongly correlated with diet composition across locations (inferred from QFASA), emphasizing that diet and not environmental variation in contaminant concentrations among locations is crucial in assessing contaminant-associated health risks in killer whales . (bvsalud.org)
Threats2
- Boat strikes and fishing gear entanglements are threats to the critically endangered whales. (cnn.com)
- Good operators should know their whales, their habits and threats, and should share the information with clients, such that they come away from the experience knowing more about the animals than when they started out. (awionline.org)
20236
- Joshua Rapp Learn, Discover Magazine , 9 Nov. 2023 For example, most baleen whales , with the exception of humpbacks, are fairly quiet. (merriam-webster.com)
- Camille Bromley, WIRED , 29 Aug. 2023 The lion's share of this category is made up of baleen whales such as the fin whale, which has a biomass of eight million metric tons-around 60 percent of the aquatic mammals. (merriam-webster.com)
- Jan Dönges, Scientific American , 8 Mar. 2023 The footage shows three Rice's whales, enormous members of the baleen whale family that have been seen in the northeastern Gulf of Mexico, marine wildlife officials say. (merriam-webster.com)
- 2023 But people have also worked alongside the powerful creatures: Australian whalers in the 1800s cooperated with orcas to capture and kill baleen whales , a tradition that may have originated thousands of years before with Indigenous Australian hunters. (merriam-webster.com)
- Victoria Sayo Turner, Smithsonian Magazine , 12 July 2023 And the whale shark is a docile scoop feeder, honestly closer to a baleen whale than our mental image of a scary shark. (merriam-webster.com)
- Caroline Delbert, Popular Mechanics , 18 Aug. 2023 Now the researchers are looking at whether baleen whales actually aggregate in these DMS hotspots. (merriam-webster.com)
Orcas2
- But Skerry points to anthropomorphic behaviors backed by science- orcas showing grief or beluga whales squealing with joy , for example. (nationalgeographic.com)
- For the first time, three recorded events show that orcas do hunt and eat blue whales using coordinated attacks that have worked on other large whales. (sciencenews.org)
Global moratorium1
- We sympathize with fishermen's complaints that with the global moratorium on whaling in place since 1986, a growing number of whales have been depleting fish stocks off the Korean Peninsula. (koreatimes.co.kr)
Populations6
- With whales, WCS employs a range of techniques, including acoustic monitoring, satellite tracking, and conservation genetics to better understand populations, to define their most biologically important habitats. (wcs.org)
- Blue whales ( Balaenoptera musculus ) are found worldwide, with different regional populations forming distinct subspecies. (livescience.com)
- The noise from such surveys poses a serious risk to the two endangered whale populations that inhabit the trench. (thepetitionsite.com)
- As a consequence, the number of operators offering trips, sometimes to see the same populations of whales over and over again, is also rising. (awionline.org)
- Conservationists dismiss the study and says researchers could also use non-lethal methods such as sonar to gauge krill populations or ultrasound to monitor whales. (abc.net.au)
- Conservationists are also worried about the study's suggestion that the lower availability of krill was due to recovering populations of humpbacks and other big whales. (abc.net.au)
Conservation6
- The Mediterranean population of sperm whales is at risk of extinction, and understanding better their ecology and behaviour is critical for their conservation" says Lanfredi. (nature.com)
- Above all, it will preserve the peace at the perpetually rancorous IWC, where Japan, Norway, and Iceland always threaten to walk out and start killing all the whales they want whenever any conservation measure is proposed, or, in the present instance, if they don't get this deal. (commondreams.org)
- Mark Simmonds is Director of Science at the Whale and Dolphin Conservation Society (WDCS). (mit.edu)
- The population of whales surveyed for the new study, published February 16 in the journal Communications Biology , is a conservation success story . (popsci.com)
- As well as providing entertainment to those watching, responsible whale watching can provide significant financial returns to local communities, accurate education to passengers, and can foster strong conservation principles. (awionline.org)
- Jointly produced by us and the Whale and Dolphin Conservation Society, it identifies wealthy Icelandic businessman Kristján Loftsson and his firm Hvalur hf as the driving force behind the bloody trade. (eia-international.org)
Megaptera2
- The humpback whales ( Megaptera novaeangliae ) along Australia's eastern coast might be giving up singing their signature songs to find a mate. (popsci.com)
- MACEDO, Regina Helena Ferraz and ENGEL, Márcia H. . Whale-watching as a tool to study humpback whales ( Megaptera novaeangliae) behavior . (bvsalud.org)
Extinction3
- Only about 200 whales were in the area in the 1960s and they have since come back from the brink of extinction. (popsci.com)
- With only around 340 of these whales remaining along the East Coast of the United States and Canada, they are on the brink of extinction. (cnn.com)
- To save these whales from extinction, NOAA must extend the speed limits to smaller boats, not just large ships. (cnn.com)
Bowhead whale1
- A bowhead whale in the Fram Strait between Greenland and Svalbard. (cbc.ca)
Migrate1
- Whales generally migrate great distances, including the longest mammalian journey on record-13,988 miles by a gray whale that migrated from the Arctic to tropical breeding areas and back. (wcs.org)
Baleen whale3
- Cranford and Krysl wanted to take a different approach: build a highly complex three-dimensional computer model of a baleen whale head--including the skin, skull, eyes, ears, tongue, brain, muscles, and jaws--and then simulate how sound would travel through it. (eurekalert.org)
- Recent Examples on the Web By that time, the excessive whaling operations further offshore from Eden had decimated the population of humpbacks and the last baleen whale was processed in Eden in 1928. (merriam-webster.com)
- These examples are programmatically compiled from various online sources to illustrate current usage of the word 'baleen whale. (merriam-webster.com)
Humpbacks2
- The Soviets in particular became masters of the art, keeping two sets of books, turning on steam pipes designed to veil the decks of their factory ships and obscure the view of wholly illegal slaughtered blue whales and humpbacks whenever prying eyes drew near. (commondreams.org)
- Others, like humpbacks and blue whales, are "lunge feeders" who take in huge gulps of water that they then push out through smaller baleen to sieve for food. (mentalfloss.com)
Whalers2
- Per Dr. Sidney Holt, 30-year veteran of the IWC's Scientific Committee, the falsification of data by Japanese whalers also 'occurred in the period when international (IWC) observers were assigned to the whaling platforms and. (commondreams.org)
- Officials said the whalers used parts of the whales to determine their age, nutrition, and reproductive conditions. (10news.com)
Hunt5
- Does anyone hunt this type of whale for meat? (bbc.co.uk)
- These whales are entangled in fishing gear, ingest our plastic trash that washes into the sea, engulfed in our noise which radiates deep into the ocean where they hunt for squid, and are hit by ships, a particularly heightened threat in the Caribbean, where everything is imported and many vessels transit between islands. (yahoo.com)
- Norway and Iceland also hunt whales as do indigenous groups in several countries, as allowed under international rules. (koreatimes.co.kr)
- Nearly 1,000 are killed annually in the Cgrindadr whale hunt typically occurring during summer months. (thepetitionsite.com)
- As the 63rd annual meeting of the International Whaling Commission opens, this report exposes how Iceland is defying international treaties to hunt endangered fin whales in a bid to create a new consumer market in Japan. (eia-international.org)
Japan's3
- Japan's whaling fleet returned home Friday after killing 333 whales in the Antarctic, achieving its goal for the second year under a revised research whaling program. (10news.com)
- The International Court of Justice ruled in 2014 that Japan's Antarctic whaling program should stop because it wasn't scientific as Tokyo had claimed. (10news.com)
- Critics say it's a dying industry, but Japan's government has spent large amounts of tax money to sustain the whaling operations, saying it's a Japanese cultural tradition that must be preserved. (10news.com)
Resumption2
- It's also sad to hear that residents in Ulsan, the center of the nation's whaling industry on the southeastern coast, were elated at the news for the resumption of whaling. (koreatimes.co.kr)
- We will steadily continue our research toward a resumption of commercial whaling," Fisheries Agency official Shigeto Hase said at a welcome ceremony in Shimonoseki, home port for the fleet's mother ship, Nisshin Maru. (10news.com)
Beluga whale2
- As the oldest beluga whale at SeaWorld, Ferdinand has gray spots at the top of his head and is much more elongated than the other whales. (seaworld.com)
- Last year, PETA Asia launched a campaign against Sun Asia Ocean World after a video showing a worker applying lipstick to a beluga whale before riding on the animal went viral on Chinese social media. (peta.org)
Group of whales2
- in Greek mythology, Keto was the goddess of sea monsters , and when the Greeks saw the cresting backs of a group of whales, they believed them to be all part of one giant sea serpent. (mentalfloss.com)
- It's entirely possible that the creature-which is probably a fin whale with a vocal anomaly-is part of a group of whales with typical voices, and not alone at all. (listverse.com)
Calf1
- Given the probability of occurrence of resting conducts in calf pods and the possibility of the interruption of suckling caused by vessels, it is suggested that a more conservative distance and shorter visits be adopted by whale-watching groups. (bvsalud.org)
Cuvier's1
- Some 40 feet from shore, directly in front of Ken Balcomb's doorstep in the Bahamas, a Cuvier's beaked whale bobbed in the water. (latimes.com)
Lives of whales1
- Tell the Greek government to insist that companies conduct proper environmental impact assessments before continuing the surveys and to take the utmost care not to put the lives of whales at risk when they continue. (thepetitionsite.com)
1986 international2
- Japan has been frequently criticised for conducting annual whaling missions, which it says does not violate a 1986 international moratorium on hunting as it is conducting research. (abc.net.au)
- Research whaling is allowed as an exception to a 1986 international ban on commercial whaling. (10news.com)
Gray whales1
- The mating rituals of gray whales are unusual in that they always reproduce during group sex . (listverse.com)
Cetaceans3
- As more and more people every day are condemning companies that hold cetaceans captive (we're looking at you, SeaWorld ), it's no surprise that an image of two beluga whales imprisoned inside a minuscule tank in China has caused outrage online . (peta.org)
- Beluga whales and all other cetaceans suffer immensely when confined to small, concrete prisons. (peta.org)
- If fortunate enough to go whale or dolphin watching, then please do so responsibly, with a reputable outfit that follows a voluntary or mandatory code of conduct designed to minimize impacts on the cetaceans targeted. (awionline.org)
Pods1
- We have been enjoying watching huge pods of whales swim near Necker in recent weeks and it's tragic to see them go from frolicking in the sea together to stranded on a beach. (virgin.com)
Dead whales1
- As dead whales continue to wash ashore on the U.S. East. (brooklyneagle.com)
Pilot whales3
- It's not yet clear how more than 50 shortfin pilot whales ended up beached and dying on the coast near the East End of Anegada. (virgin.com)
- Once ashore, men slaughter the pilot whales from babies to mature adults in a flurry of blood and spray by severing their spinal cords, cutting through the dorsal area with sharp knives called a grindaknvur. (thepetitionsite.com)
- During the cut of a pilot whales spine, their main arteries are also cut. (thepetitionsite.com)
Behavior5
- For Moore, what looked like a whale hug was more than a curious animal behavior. (nationalgeographic.com)
- The team can continue to track how the whales' social behavior changes with their increased numbers. (popsci.com)
- It will be fascinating to see how whale mating behavior continues to be shaped in the future. (popsci.com)
- Operator vessels should be fit for the purpose, should have a current permit (if required), should be operated so as not to impact the normal behavior of the animals, respect minimum approach distances and speeds, never approach a whale head on, and limit time spent near the animals. (awionline.org)
- Humpback whales behavior was observed to determine the existence of differences between observations occurring from research vessels vs. whale-watching vessels. (bvsalud.org)
Fisheries1
- The Fisheries Agency said the five-ship fleet finished its four-month expedition without major interference from anti-whaling activists who have attempted to stop it in the past. (10news.com)
Threaten1
- The noise produced could seriously threaten the whales. (thepetitionsite.com)
Search1
- Sperm whales do deep dives in search of food, and this area represents the ideal habitat for their prey, mainly cephalopods that hide in submarine canyons," she notes. (nature.com)
Ashore1
- Postmortems are done on each whale that washes ashore to determine the cause of death. (nationalgeographic.com)
Squid2
- Also, the indigestible beaks and other body parts of the giant squid often turn up in the stomachs of sperm whales. (amnh.org)
- Modern sperm whales suck squid into their mouth and chew them up. (listverse.com)
Behaviors1
- Among the behaviors sighted are whale "lunge feeding," and surfacing to blow water. (nypost.com)
Mediterranean2
- The journal remains rare, and awareness of the whale remains minimal, despite its relevance to cetacean taxonomy and understanding of whale diversity and distribution in the Mediterranean. (usgs.gov)
- primer and viral ducted a study to determine the effect of this natural threat RNA were incubated at 42°C for 60 min followed by 70°C on the Mediterranean fin whale population. (cdc.gov)
Typically2
- Unlike other baleen whales, or those whales that use so-called baleen plates to filter tiny bits of food from seawater, blue whales typically travel alone. (livescience.com)
- Typically the whales split into a group of three-one female and two males. (listverse.com)
Arctic2
- Beluga whales are entirely arctic and subarctic. (seaworld.com)
- The size of the passage allows for larger ships to enter the Arctic, a distinct problem for bowhead whales. (cbc.ca)
Sightings2
- To reduce the threat of boat strikes to these whales, the National Oceanic and Atmospheric Administration in 2008 issued a vessel speed rule to establish mandatory seasonal slow zones for boats 65 feet in length or greater in areas where the whales were expected, and short-term voluntary slow zones triggered by whale sightings. (cnn.com)
- There have been 29 whale sightings from spring until July 24. (nypost.com)
Exception1
- The exception is fin whales, which turn on their sides to feed. (mentalfloss.com)
Marine9
- We don't really understand at the moment how beaked whales find each other in the open marine environment but clearly they do find each other. (bbc.co.uk)
- Understanding how baleen whales hear has posed a great mystery to marine mammal researchers. (eurekalert.org)
- Marine Parks Are Hell for Whales. (peta.org)
- I want to be a marine biologist later on so I can help save whales. (wikihow.com)
- The Caribbean island of Dominica is creating the world's first marine protected area for sperm whales, the island's government announced Monday. (yahoo.com)
- Whale researcher Asha de Vos spends her days weaving a 6-meter boat through shipping lanes crowded with giant container ships, fishing boats, and marine life, collecting data crucial to the survival of the singular Sri Lankan blue whale. (ted.com)
- A day at the beach means something very different to TED Fellow Asha de Vos, a marine biologist who has spent the past three years charting an unusual population of blue whales just 12 miles off the coast of Sri Lanka, the country where she was born. (ted.com)
- For feeding purposes, these whales tend to tem investigations conducted within 24 hours of death concentrate in specific areas, one of which is Pelagos Sanc- yielded biomolecular and IHC evidence of DMV infec- tuary, the widest protected marine area for sea mammals in tion. (cdc.gov)
- Background: Baleen whales are a clade of gigantic and highly specialized marine mammals. (lu.se)
Entanglement3
- The data cable was designed to lessen whale entanglement risks. (energy.gov)
- While vessel collisions and dwindling food supply alone jeopardize the whales' survival, entanglement in fishing gear poses the greatest threat - leading to death by drowning, fatal injury, or starvation. (earthjustice.org)
- Even whales who survive entanglement are permanently scarred, weakened, and often unable to reproduce. (earthjustice.org)
Decline3
- On May 23, communities all along the length of California's coastline will turn out to protest the proposed deadly IWC compromise, including the axe that it drops on the California gray whale (proposed quota: 1,400 killed over the next ten years despite evidence of a population in decline). (commondreams.org)
- A century of commercial hunting saw the whales in steep decline by the 20th century, and their numbers keep falling. (nationalgeographic.com)
- Protests by the anti-whaling group Sea Shepherd have also contributed to the decline. (10news.com)
Teeth2
- Whales are classified into two categories: Those with teeth and those with baleen. (mentalfloss.com)
- Despite impressive teeth, sperm whales use suction to pull in prey. (amnh.org)
Blue10
- You might think that such huge animals-the average weight of a blue whale hovers around 420,000 pounds-subsisting on such tiny prey would have to eat constantly. (mentalfloss.com)
- A blue whale spouts off Moresby Island, British Columbia, Canada. (livescience.com)
- The blue whale is the largest animal known to ever live on Earth, weighing in at 330,000 pounds (150,000 kilograms) and stretching up to 108 feet (33 meters). (livescience.com)
- Blue whales are known to produce vocalizations , which likely have "some kind of reproductive function," said Catherine Berchok, a cetacean researcher with the National Oceanic and Atmospheric Administration. (livescience.com)
- Blue whale mating has never been documented, Sears said. (livescience.com)
- Interestingly, humpback whales, which are closely related to blue whales, are known to engage in threesomes, with two males penetrating a female at the same time. (livescience.com)
- It's unknown if blue whales perform similar sexual acts. (livescience.com)
- Blue whale researcher and TED Senior Fellow Asha de Vos unveiled her TED-Ed lesson today on the TED Fellows stage. (ted.com)
- The video - "Why are blue whales so enormous? (ted.com)
- Tell us about the first time you saw the Sri Lankan blue whales. (ted.com)
Sonar3
- How do the military sonar systems hurt these whales? (bbc.co.uk)
- We know they're affected by military sonar because there have been a number of high-profile incidents, not least here in the Canaries, where tests of military sonar have led to beaked whales stranding, either alive but in distress, or dead. (bbc.co.uk)
- Even the US navy has acknowledged a link between sonar and whale mortality. (bbc.co.uk)
Collisions1
- Steffen says that in recent years, a record number of whales have been killed in ship collisions off California's coast and around the world. (abc15.com)
Ceti1
- Through a meeting on Necker of Audacious Ideas, money was raised to do AI research into what whales are saying to each other - here's more about Project Ceti . (virgin.com)
Commercial9
- But as long as commercial whaling was legal and lucrative, cheating was a matter of course. (commondreams.org)
- The Obama administration is now preparing to endorse lifting that moratorium and push for a return to legalized commercial whaling when the IWC meets in June. (commondreams.org)
- They haven't, and the proposal to re-start commercial whaling discards that idea. (commondreams.org)
- The new, improved commercial whaling will be strictly controlled. (commondreams.org)
- Two years ago, Obama said 'Allowing Japan to continue commercial whaling is unacceptable. (commondreams.org)
- They have been able to survive and thrive primarily due to commercial whaling largely stopping in 1986 . (popsci.com)
- While Korea alleges scientific research for the proposed whaling, environmental activists see it as a ``thinly veiled ruse to conduct commercial whaling. (koreatimes.co.kr)
- Research whaling is just commercial whaling under another name," says John Hocevar, oceans specialist for environmental group Greenpeace. (abc.net.au)
- Opponents of the Japanese program say it's a cover for commercial whaling because the whales are sold for food. (10news.com)
Adult3
- Young and adult male sperm whales have been reported in the area since 1990, mostly during the summer while foraging" says Caterina Lanfredi, a researcher at the Tethys Research Institute and co-lead author of the study with Pace. (nature.com)
- The mouth of one adult bowhead, or Greenland right whale ( Balaena mysticetus ), measures five metres long and three metres wide and is the biggest oral cavity on record. (britannica.com)
- An aerial survey team locates an entangled adult male right whale off Surf City, North Carolina, in January. (cnn.com)
Swim3
- In the sea before him, the stranded beaked whale splashed its flukes on the water, vainly trying to swim. (latimes.com)
- A male right whale, a female, and an unidentified individual showing only its fluke swim together at the surface. (nationalgeographic.com)
- At high speeds, captains cannot maneuver to avoid them, and the whales swim too slowly to move out of the way. (cnn.com)
Protests1
- Korea's proposal to resume hunting whales for scientific research has provoked strong protests both at home and abroad. (koreatimes.co.kr)
Lunge1
- An "oral plug" may explain how lunge-feeding fin whales don't choke and drown as they fill their mouths with prey and water while eating. (sciencenews.org)
Survival1
- As the competition for females has increased, a new study theorizes that instead of crooning their love songs, the male whales are switching to fighting each other and are possibly staying quiet for their own survival. (popsci.com)
Noise8
- Sperm whales make a lot of noise. (nature.com)
- Over the past few years, government regulators have been attempting to enact laws placing limits on the amount of man-made noise that baleen whales can be exposed to. (eurekalert.org)
- Many of them produce vocalizations in the same frequency range as man-made noises, and too much man-made noise could limit the distance over which the whales are able to communicate about things like food and mates. (eurekalert.org)
- For whales, among others, increasing human-generated ocean noise is a key issue. (wcs.org)
- Noise pollution is not a trivial matter in the ocean, especially if you are a whale. (thepetitionsite.com)
- Positioning the microphones on the seabed minimizes surface noise and increases the ability to detect right whale calls. (energy.gov)
- If a whale enters this zone, pile-driving activity will be stopped or minimized because the noise can damage the whale's hearing or harm the animal. (energy.gov)
- Base-station staff then calculate bearings to each detection, and a state-of-the-art neural network classifier helps isolate North Atlantic right whale calls from background noise and minimize false positives. (energy.gov)
Mammal2
- The closest living relative to whales is the hippo , another aquatic mammal (though not to the same degree, of course). (mentalfloss.com)
- But they're descended from a long line of four-legged animals-including the remarkable-looking ambulocetus , or "walking whale"-a mammal that resembled a crocodile in shape. (mentalfloss.com)