A large (33 inches) waterbird, the Double-crested Cormorant is most easily identified by its black body and wings, long hooked bill, and orange chin patch. This species may be separated from the related Great Cormorant ( Phalacrocorax carbo) by that species larger size and large white chin patch, from the related Neotropic Cormorant (Phalacrocorax brasilianus) by that species smaller size and small white chin patch, and from the similar-looking Anhinga (Anhinga anhinga) by that species longer neck and tail. Male and female Double-crested Cormorants are similar to one another in all seasons. The Double-crested Cormorant breeds in scattered locations along the Pacific coast of North America from Alaska to Baja California, along the Atlantic coast from Newfoundland to Florida, in the northern Great Plains, and in the West Indies. Southern breeding populations tend to be non-migratory, while northern breeding populations migrate south to the coasts, the interior southeastern U.S., and Mexico. ...
STATUS OF THE DOUBLE-CRESTED CORMORANT (PHALACROCORAX AURITUS) IN NORTH AMERICA PREPARED BY: LINDA R. WIRES FRANCESCA J. CUTHBERT DALE R. TREXEL ANUP R. JOSHI UNIVERSITY OF MINNESOTA DEPARTMENT OF FISHERIES AND WILDLIFE 1980 FOLWELL AVE. ST. PAUL, MN 55108 USA MAY 2001 PREPARED UNDER CONTRACT WITH *U.S. FISH AND WILDLIFE SERVICE *CONTENT MATERIAL OF THIS REPORT DOES NOT NECESSARILY REPRESENT THE OPINIONS OF USFWS Recommended citation: Wires, L.R., F.J. Cuthbert, D.R. Trexel and A.R. Joshi. 2001. Status of the Double-crested Cormorant (Phalacrocorax auritus) in North America. Final Report to USFWS. FINAL DRAFT Executive Summary i EXECUTIVE SUMMARY Introduction: Since the late-1970s, numbers of Double-crested Cormorants (Phalacrocorax auritus) (DCCO) have increased significantly in many regions of North America. A variety of problems, both real and perceived, have been associated with these increases, including impacts to aquaculture, sport and commercial fisheries, natural habitats, and other ...
STATUS OF THE DOUBLE-CRESTED CORMORANT (PHALACROCORAX AURITUS) IN NORTH AMERICA PREPARED BY: LINDA R. WIRES FRANCESCA J. CUTHBERT DALE R. TREXEL ANUP R. JOSHI UNIVERSITY OF MINNESOTA DEPARTMENT OF FISHERIES AND WILDLIFE 1980 FOLWELL AVE. ST. PAUL, MN 55108 USA MAY 2001 PREPARED UNDER CONTRACT WITH *U.S. FISH AND WILDLIFE SERVICE *CONTENT MATERIAL OF THIS REPORT DOES NOT NECESSARILY REPRESENT THE OPINIONS OF USFWS Recommended citation: Wires, L.R., F.J. Cuthbert, D.R. Trexel and A.R. Joshi. 2001. Status of the Double-crested Cormorant (Phalacrocorax auritus) in North America. Final Report to USFWS. FINAL DRAFT Executive Summary i EXECUTIVE SUMMARY Introduction: Since the late-1970s, numbers of Double-crested Cormorants (Phalacrocorax auritus) (DCCO) have increased significantly in many regions of North America. A variety of problems, both real and perceived, have been associated with these increases, including impacts to aquaculture, sport and commercial fisheries, natural habitats, and other ...
Knief, Wilfried., 1996: Distribution and population size of cormorant Phalacrocorax carbo in Germany Bestand und Verbreitung des Kormorans Phalacrocorax carbo in Deutschland
Adkins, J. Y. and D. D. Roby. 2010. A status assessment of the Double-crested Cormorant (Phalacrocorax auritus) in western North America: 1998-2009. Final report to the U.S. Army Corps of Engineers. Corvallis: U.S. Geological Survey, Oregon Cooperative Fish and Wildlife Research Unit. Ainley, D. G. and R. J. Boekelheide. 1990. Seabirds of the Farallon Islands: ecology, dynamics, and structure of an upwelling-system community. Palo Alto, CA: Stanford Univ. Press. Ainley, D. G., D. W. Anderson and P. R. Kelly. 1981a. Feeding ecology of marine cormorants in southwestern North America. Condor no. 83:120-131. American Ornithologists Union. 1998a. Check-list of North American birds. 7th edition ed. Washington, D.C.: American Ornithologists Union. Amos, E. J. R. 1991. A Guide to the Birds of Bermuda. Warwick, Bermuda: E. J. R. Amos. Anderson, D. W. and J. J. Hickey. 1972. "Eggshell changes in certain North American birds." In Proceedings of the XVth International Ornitholological Congress., edited by ...
Great cormorants eat fish and are known for their excellent diving skills. They forage in fresh as well as saline or brackish water. They can rotate their eyes, something most other birds are unable to do. Unlike other water fowl, their plumage is not oily. They absorb lots of water, so they need to spread their wings to dry after a swim. This bird has not had an easy life in the Netherlands. Because it was considered a rival for fishermen, they were shot, poisoned, chased away and even hung in huge numbers ...
Description. This is a medium-large black bird, 68-78 cm long and with a 95-110 cm wingspan. It has a longish tail and yellow throat-patch. Adults have a small crest in the breeding season. It is distinguished from the Great Cormorant by its smaller size, lighter build, thinner bill, and, in breeding adults, by the crest and metallic green-tinged sheen on the feathers. Among those differences are that a shag has a lighter, narrower beak; and the juvenile shag has darker underparts. The European Shags tail has 12 feathers; the Great Cormorant, 14 feathers. The green sheen on the feathers results in the alternative name Green Cormorant sometimes being given to the European Shag.. Habitat. It feeds in the sea, and, unlike the Great Cormorant, is rare inland. It will winter along any coast that is well-supplied with fish.. The European Shag is one of the deepest divers among the cormorant family. Using depth gauges, European Shags have been shown to dive to at least 45 metres. European Shags are ...
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After you have reported a dead bird, you will be contacted to determine the condition of the bird and if it is suitable to be picked up for West Nile virus testing. All dead bird reports are used for surveillance purposes and are extremely valuable to us even if the bird is not submitted for testing.. If you have not been contacted within 24 hours of your report, you may safely dispose of the dead bird in your trash.. Although there is no evidence that West Nile virus can be acquired by handling dead birds, it is best not to handle the dead bird with your bare hands. Use gloves, a shovel, or a plastic bag to place the bird in a trash bag for disposal.. Please DO NOT freeze dead birds.. To find out what happens after you report a dead bird, see this link on the California Department of Public health website: http://westnile.ca.gov/wnv_faqs_basics.php?id=88.. ...
Do you like to feed wild birds in winter? Follow these tips to keep your bird seed fresh.. Putting out bird feeders is a great way to attract more birds to your yard and garden in winter. There are some steps you need to take to ensure that the bird seed you are storing stays fresh and safe for the birds to eat, and to make sure your bird seed supply area stay neat and well stocked.. First, when purchasing seed for birds, avoid bird seed in burlap bags. Insects can easily get through the burlap and infest the bird seed. Mice and chipmunks and other rodents like to eat bird seed. Avoid buying bags that have obvious holes or have been patched. This means that somewhere along the supply chain, rodents have gotten into the bird seed.. At home, keep in mind that open bags of bird seed will attract rodents. When you open a bag of bird seed, transfer its contents into a heavy-duty plastic bin with a locking lid. A metal can with a tight lid will also work to store your bird seed. To store smaller ...
Read "Factors determining the occurrence of anthropogenic materials in nests of the white stork Ciconia ciconia, Environmental Science and Pollution Research" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Credits: All illustrations © David Allen Sibley. All bird guide text and rangemaps adapted from Lives of North American Birds by Kenn Kaufman © 1996, used by permission of Houghton Mifflin Harcourt Publishing Company. All rights reserved. Bird call audio © Lang Elliott & Associates. Photography sourced in part from VIREO, the worldwide bird photography collection of the Academy of Natural Sciences of Drexel University.. ...
Credits: All illustrations © David Allen Sibley. All bird guide text and rangemaps adapted from Lives of North American Birds by Kenn Kaufman © 1996, used by permission of Houghton Mifflin Harcourt Publishing Company. All rights reserved. Bird call audio © Lang Elliott & Associates. Photography sourced in part from VIREO, the worldwide bird photography collection of the Academy of Natural Sciences of Drexel University.. ...
Detailed Analysis & SWOT analysis, Bird Flu TreatmentMarket Trends 2020, Bird Flu TreatmentMarket Growth 2020, Bird Flu TreatmentIndustry Share 2020, Bird Flu TreatmentIndustry Size, Bird Flu TreatmentMarket Research, Bird Flu TreatmentMarket Analysis,Bird Flu Treatment market Report speaks about the manufacturing process. The process is analysed thoroughly with respect three points, viz. raw material and equipment suppliers, various manufacturing associated costs (material cost, labour cost, etc.) and the actual process of whole Enterprise Aluminum Lithium Alloys market. Overview of the "Bird Flu Treatment" Market: -. Report on the "Global Bird Flu Treatment Market Report, History and Forecast 2014-2025, Breakdown Data by Companies, Key Regions, Types and Application". Bird flu is a viral infection caused by avian influenza A viruses in birds. The viruses that cause the disease in birds can mutate and spread to humans. Bird flu is named H or N depending on the protein found on the surface of ...
Now 7 Cattle Egrets in entrance fields at Blatchford Farm, Teigngrace late pm ( and 9 Little Egrets). 5 Cattle Egrets showing well feeding in sheep field by road, 2 Cattle Egrets with 6 Little Egrets in 2nd field on right with cows. 3 more Little Egrets opposite entrance in muddy field. The last time 7 were reported here was 18 December. ...
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Congratulations to Martin Huebeck, SOTEAGs resident seabird monitoring officer, who has recently published an article in the journal Seabird.. Huebeck, M., Mellor, R.M., Gear, S., and Miles, W.T.S. 2015. Population and breeding dynamics of European Shags Phalacrocorax aristotelis at three major colonies in Shetland, 2001-2015. Seabird, 28: 55-77.. The paper can be accessed from Seabird the annual journal from the Seabird Group. The journal contains papers and short communications on seabird biology, conservation, identification, and status.. The European Shag has recently been added to the UK Red list due to a severe decline in population numbers and continued monitoring is important to help protect this species.. ...
Bird trapping techniques to capture wild birds include a wide range of techniques that have their origins in the hunting of birds for food. While hunting for food does not require birds to be caught alive, some trapping techniques capture birds without harming them and are of use in ornithology research. Wild birds may also be trapped for their display in captivity in zoological gardens or for keeping as a pet. Bird trapping was formerly unregulated, but to protect bird populations most countries have specific laws and regulations. Almost all traps involve the use of food, water or decoys to attract birds within range and a mechanism for restricting the movement, injuring or killing birds that come into range. Food, water, decoy birds and call playback may be used to bring birds to the trap. The use of chemical sprays on crops or food can have more widespread effects and are not usually included in trapping techniques although there are some capture techniques that make use of bait with ...
The western cattle egret (Bubulcus ibis) is a species of heron (family Ardeidae) found in the tropics, subtropics and warm temperate zones. Most taxonomic authorites lump this species and the eastern cattle egret together (called the cattle egret), but some (including the International Ornithologists Union separate them. Despite the similarities in plumage to the egrets of the genus Egretta, it is more closely related to the herons of Ardea. Originally native to parts of Asia, Africa and Europe, it has undergone a rapid expansion in its distribution and successfully colonised much of the rest of the world in the last century. It is a white bird adorned with buff plumes in the breeding season. It nests in colonies, usually near bodies of water and often with other wading birds. The nest is a platform of sticks in trees or shrubs. Western cattle egrets exploit drier and open habitats more than other heron species. Their feeding habitats include seasonally inundated grasslands, pastures, ...
Birds feed, wild bird food, wild bird seed, and a variety of bird feeders are supplied by twootz.com at lower prices. Twootz.com is your premium UK supplier of high-quality and low-priced wild bird food, bird seed, birds feed and bird feeders.
Birds are very popular pets. Many sought-after exotic birds come from other parts of the world. Because of the high prices associated with some of these breeds, the smuggling of exotic birds into the United States has become profitable and dangerous in terms of the chances of introducing diseases such as AI and END into the country.. The USDA quarantines and tests live birds imported into the United States to ensure that they do not have any foreign animal diseases such as the HPAI H5N1 virus. All imported live birds (except from Canada) must spend 30 days at a USDA quarantine facility where they are tested for the AI virus before entering the country. Returning U.S.-origin pet birds (except from Canada) also are tested and are home-quarantined. You must make a reservation at the chosen quarantine facility in advance by contacting the USDA port veterinarian.. To find out more about importing a pet bird, please see the APHIS Web site on animal imports. You may also find the publication "Importing ...
Two street dogs died after eating dead chicken from a poultry farm in India… Azeri dog died from bird flu virus… Suspected bird flu outbreak leaves 4 dogs and about 100 chickens dead in Ivory Coast… Significant numbers of dogs in Thailand carry the H5N1 strain of the bird flu virus. These headlines have caused a lot of dog owners to be apprehensive. Given the fact that dogs are highly valued pets, any dog owner would fear for the health of the pet. What is bird flu? Are dogs really susceptible to this disease?. Avian influenza, commonly known as bird flu is an illness that is caused by any strain of the influenza virus that has adapted to a specific host. As the name suggests, the virus has adapted to birds. Bird flu is a highly transmissible disease of birds. This virus has a wide range of symptoms. While some species of wild birds can carry the virus without getting sick, other birds and poultry would get ill when infected. Infected poultry would show either of the two forms of the ...
Free Shipping on Bird Azithro. Bird Azithro 12 Count Bird Zithro (Azithromycin) is a bird antibiotic that is used for systemic and local infections in pigeons, pet birds, and exotic birds. This antibiotic is effective against gram-positive bacteria, as well as some gram-negative bacteria, spirochetes, anaerobic bacteria, and other types of microorganisms. Bird Zithro is also effective against Chlamydia psittaci in cockatiels. The active ingredient in this medication works by inhibiting the growth of bacteria, which helps to eliminate the bacteria and the infection.. Available Sizes ...
Lets face it, most of us like to have birds around, but we have a problem with their droppings. The major complaint about bird droppings involve unsightly or smelly messes, concerns about property damage, as well as potential health risks.. Unsightly or Smelly Messes. Most of the time this is the real problem with bird droppings-we just dont want to see them. While that is certainly understandable, birds are part of our natural environment so we shouldnt be too upset about the occasional bird dropping on our car, house, or patio furniture. Bird droppings become more of a problem when we create structures like window sills, decks, or utility lines where birds come to sit frequently and do their duty. If bird droppings are accumulating the first thing to look at is how to alter the landscape so that the birds cant physically come and sit where they are making the mess. This may be done with architectural or structural modifications to a building or other structure, or by installing bird spikes ...
The European Bird Census Council (EBCC):. The European Bird Census Council (EBCC) officially adopted the HBW and BirdLife International Illustrated Checklist of the Birds of the World as their reference for nomenclature and taxonomy. It will be implemented in all of the supra-national projects coordinated by EBCC, including the European Breeding Bird Atlas, EuroBirdPortal and Pan-European Common Bird Monitoring Scheme.. With this latest resolution the HBW-BirdLife Illustrated Checklist increases its influence as the taxonomy and nomenclature followed by most European countries.. The European Union:. The European Union adopted the HBW and BirdLife International Illustrated Checklist of the Birds of the World as the standard reference for bird taxonomy and nomenclature. It is used most importantly for the EUs official list of birds, which guides the Birds Directive, whose goal is to protect all of the wild bird species naturally occurring in the European Union. This list is also used for the ...
Urban fauna communities may be strongly influenced by environmental and socio-economic factors, but the relative importance of these factors is poorly known. Most research on urban fauna has been conducted in large cities and it is unclear if the patterns found in these locations coincide with those from smaller human settlements. We examined the relative importance of environmental and socio-economic factors in explaining variation in urban bird communities across 72 neighbourhoods in 18 regional towns in south-eastern Australia. Native bird species richness varied from 6 to 32 across neighbourhoods and was higher in neighbourhoods with more nectar-rich plants. Variation in bird species diversity across neighbourhoods was also strongly positively related to the density of nectar-rich plants, but was higher also in neighbourhoods with higher socio-economic status (reflecting higher levels of disposal income, education and home ownership). The density of native birds across neighbourhoods per ...
The woodpecker has a distinctive long beak, which the woodpecker uses to make holes in trees. The woodpecker does this in order to dig out the grubs living under the bark. The average woodpecker is able to peck up to 20 pecks per second! The woodpecker is only able to peck so much and move its head so quickly without getting a headache due to the air pockets that help to cushion the woodpeckers brain. Woodpeckers are omnivorous birds and feed on a mixture of plants and animals (mainly insects). The woodpecker eats seeds, berries, fruits, nuts and bugs but the exact species of the woodpeckers food depends upon the area which the woodpecker inhabits. Due to their generally small size, woodpeckers have numerous predators in their natural environment that not only prey upon the woodpecker itself but also the woodpeckers eggs. The main predators of the woodpecker include wild cats, foxes, rats. snakes and large birds although many other species of animal will prey on the woodpecker too ...
Many native Australian bird species are declining. Birds of garden, water, scrub and woodland are showing marked falls in their populations says a new report by Birds Australia (BirdLife in Australia). The encouraging news is that the status of some species is improving as a result of conservation action.. This is the sixth the state of Australias birds report, and presents an up-to-date overview of the health of bird populations in Australia and the main challenges to their sustainability. This 2008 report focuses on trends in bird populations revealed by around 50 long-term monitoring programs that have been running for up to 40 years.. Trends in bird populations are mixed, but more species are in decline than were reported in 2003. Common birds are far less common than they once were, for example populations of the familiar Australian Magpie Gymnorhina tibicen have slumped.. Many, and perhaps most, of our native birds are in decline for a range of reasons including habitat loss and ...
Citation: Wagner, B.A., Hoberg, E.P., Somers, C.M., Soos, C., Fenton, H., Jenkins, E.J. 2012. Gastrointestinal Helminth Parasites of Double-Crested Cormorants (Phalacrocorax auritus) at Four Sites in Saskatchewan, Canada, 2006-2007. Comparative Parasitology. 79:275-282. Interpretive Summary: Parasites are powerful indicators of ecological structure and interactions, particularly those involving foraging behavior and food habits. Identification of such linkages is dependant on the development of baseline data for distribution and host associations by various parasites on local to regional scales. As a cumulative process, such survey and inventory for faunal structure provides the foundations to explore ecological change and perturbations associated with climate and other forces. We provide the first data for parasite diversity in adult double-crested cormorants from breeding colonies on four very different lakes spanning a major ecotone (borderland between ecological zones) from prairie to boreal ...
Insecticides harm insectivorous birds by attacking the foodchain. Pesticides form an important part of modern agriculture and other vegetation production systems
S: Birds. BC: Its the little things that make life beautiful.. FC: Its the little things that make life beautiful , Birds!. 1: Table of Contents ~Classification of Birds....................2 ~Biomes by Class...............................4 ~Reproduction Method of bird........6 ~Birds Behavior by Order................8 ~Predator/Prey feeding habits........10 ~Type of Symmetry..........................12 ~Era of Birds.....................................14 ~Aptenodytes...................................16 ~Food Web........................................18 ~Food and Body Temperature.........20 ~What is a Bird?................................22 ~Diversity of birds............................24 ~Delivering oxygen to cells...............26 ~How does air move over their wings....28 ~How they reproduce and care for young...30 ~Nervous System...............................32 ~Why Birds are important................34. 3: Classification of Birds , Kingdom: Animalia Phylum: Chordata Subphylum: Verbrata ...
additional source King, C.M.; Roberts, C.D.; Bell, B.D.; Fordyce, R.E.; Nicoll, R.S.; Worthy, T.H.; Paulin, C.D.; Hitchmough, R.A.; Keyes, I.W.; Baker, A.N.; Stewart, A.L.; Hiller, N.; McDowall, R.M.; Holdaway, R.N.; McPhee, R.P.; Schwarzhans, W.W.; Tennyson, A.J.D.; Rust, S.; Macadie, I. (2009). Phylum Chordata: lancelets, fishes, amphibians, reptiles, birds, mammals, in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. pp. 431-554. [details] ...
A flock in migration over Israel. Migrating White Storks use the uplift of air thermals to reduce the effort of long-distance flying.. Systematic research into migration began with German ornithologist Johannes Thienemann who commenced ringing studies in 1906 at the Rossitten Bird Observatory, on the Curonian Spit in what was then East Prussia. Although not many storks passed through Rossitten itself, the observatory coordinated the large-scale ringing of the species throughout Germany and elsewhere in Europe. Between 1906 and the Second World War about 100,000, mainly juvenile, White Storks were ringed, with over 2,000 long-distance recoveries of birds wearing Rossitten rings reported between 1908 and 1954.[48]. Routes. White Storks fly south from their summer breeding grounds in Europe in August and September, heading for Africa.[40] There, they spend the winter in savanna from Kenya and Uganda south to the Cape Province of South Africa.[49] In these areas they congregate in large flocks which ...
Local resource for bird rescue in Grand Rapids. Includes detailed information on local businesses that provide access to birding, birds, bird watching, bird watching, tips, bird, body, parts, bird identification, as well as advice and content on great bird watching locations and books on identifying bird species.
Two illnesses that these birds have been unable to avoid are DDT and Lead Poisoning. Prior to the 1980s the population was declining due to the amount of DDT found in their food. Since the DDT ban the population has been on the rise, though Lead Poisoning continues to be an issue. The Turkey Vultures will feed on carcasses that were killed by lead shot, ingesting the lead themselves. Hunting has also hurt their population in the past, as people erroneously believed that they spread diseases. Of course, the exact opposite is true- the Vultures help to stop the spread of disease by consuming the dead and rotting meat. Turkey Vultures are protected by the Migratory Bird Treaty Act, and it is now illegal to kill, take, or own one ...
Each spring, Hubbard Brook comes alive with the arrival of migratory birds. Many migrate from wintering areas in the tropics to take advantage of the abundant insects and the long summer days of northern areas, which are beneficial when raising young. Avian ecologists, scientists who study the ecology of birds, have been keeping records on the birds that live in the experimental forest for over 40 years. These data are important because they represent one of the longest bird studies ever conducted!. Richard is an avian ecologist who began this study. He was interested in how bird populations were responding to long-term environmental changes in Hubbard Brook. Every summer since 1969, Richard takes his team of scientists, students, and technicians into the field to count the number of birds that are in the forest and identify which species are present. Richards team monitors populations of over 30 different bird species. They wake up every morning before the sun rises and travel to the far ...
Local resource for Bird Supply in Fargo. Includes detailed information on local businesses that provide access to bird food, bird supply, cages, bird seed, bird toys, bird swings, as well as advice and content on information regarding suppliers and retail.
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You are currently viewing one of the free species accounts available in our complementary tour of BNA. In this courtesy review, you can access all the life history articles and the multimedia galleries associated with this species.. For complete access to all species accounts, a subscription is required. Subscriptions are available for as little as $5 for 30 days of complete access! If you would like to subscribe to BNA, please visit the Cornell Lab of Ornithology E-Store or call us at 877-873-2626 (M-F, 8:00-4:00 ET).. ...
July 2, 2015 - Today, the U.S. Department of Agricultures (USDA) Animal and Plant Health Inspection Service (APHIS) released two updated interagency plans related to the surveillance of avian influenza in wild birds. As part of USDAs on-going preparation efforts for highly pathogenic avian influenza (HPAI), these updated plans will help USDA with further monitoring of wild birds for the HPAI virus during the fall migration. Between now and March 2016, HPAI surveillance in wild birds will increase as APHIS Wildlife Services biologists and their State partners collect approximately 41,000 samples from apparently healthy wild birds from targeted areas throughout the United States.. The first updated plan- U.S. Interagency Strategic Plan for Early Detection and Monitoring for Avian Influenzas of Significance in Wild Birds-describes a unified national system for migratory wild bird sampling involving Federal, State, university and non-governmental organizations. The second updated plan- 2015 ...
Backyard chickens can be infected because they may have contact with a wild bird. If you have chickens, keep an eye out for any of the symptoms and report it to public health.. A recent outbreak of bird flu in the United States has spread across 19 states and affected more than 30 million birds. California is one of the 19 states and has had two confirmed commercial poultry flocks infected with flu this year. In January, a turkey flock was found to be infected in Stanislaus County, and in February, a flock of chickens was infected in Kings County. The two outbreaks combined to involve more than 100,000 infected birds.. Dean Blumberg, chief of pediatric infectious diseases at UC Davis Childrens Hospital, explains what bird flu is, how its spread and whether Californians are at risk.. What is bird flu?. Bird flu is the common name for avian influenza. The avian influenza virus is related to human influenza, but it primarily affects various bird species.. How is it spread?. In some ways, its ...
Yes indeed, the slaughter of wildlife. But theres not much new here. The investigators attached cameras to a bunch of cats and then counted how many critters they killed. The lead author calls the results "surprising," and the press release from the American Bird Conservancy says the study shows that house cats kill "far more than the previous estimate of a billion birds and other animals each year.". That might be true on the "other animals" front, but not on the bird front. A year ago the American Bird Conservancy estimated that cats killed 500 million birds per year. The new study says that cats kill….500 million birds per year. Last year I looked into this and concluded that this probably represents about 3% of all birds in the United States. Theres more to it than just that (cats might have a bigger impact on specific species in specific places, for example), and you can decide for yourself whether 3% is a lot or a little. Either way, though, this study doesnt seem to change things ...
For my last blog during my tenure at the Florida Keys Wild Bird Rehabilitation Center, I decided to focus on adaptations birds evolved for flight. Even though birds arent the only animals that can fly (bats and many insects can fly), part of the reason we are fascinated by them is because of this ability to take to the air. Using their own faculties and without technology, birds can fly almost anywhere in the world. Most of us have imagined what it would be like to be a bird, soaring through the sky, free to go anywhere at any time. But how are birds able to fly and we humans cannot? Over the past 150 million years, birds have evolved many adaptations to not only make flight possible, but to optimize their aerial abilities. Some of these adaptations, like wings, are more obvious, while others are hidden beneath their bodys surface.. Gravity pulls all matter, including animals, towards the earth. Birds overcome this force through unique adaptations. These adaptations are focused on mechanisms ...
The turkey vulture soars with its wings held slightly above horizontal. From below, the turkey vulture shows two-tone wings--black in front, silver in back.
Its that summer trip, and the company the gray and white bird keeps in Canada, that make it a prime candidate for a new study in which researchers from the Georgia Wildlife Resources Division are testing migratory shorebirds for bird flu.. "There is a potential that they could cross paths with migrant species from Alaska or Iceland, so it is important that we monitor for the presence of highly pathogenic avian flu," said Brad Winn, program manager for the WRD Coastal Nongame Program.. In the first round of sampling on the Altamaha delta between Sapelo and Sea islands late last month, Winn and colleagues launched netting over roosting flocks and caught 14 birds, including seven red knots. The other birds were black-bellied plovers, ruddy turnstones and sanderlings.. Researchers test for avian flu by taking a fecal sample from each bird. The birds are released unharmed.. Federal and state biologists will be capturing and sampling birds in every state as part of the interagency strategic plan ...
Modern birds are characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton. All living species of birds have wings; the most recent species without wings was the moa, which is generally considered to have become extinct in the 16th century. Wings are evolved forelimbs, and most bird species can fly. Flightless birds include ratites, penguins, and a number of diverse endemic island species. Birds also have unique digestive and respiratory systems that are highly adapted for flight. Some birds, especially corvids and parrots, are among the most intelligent animal species; a number of bird species have been observed manufacturing and using tools, and many social species exhibit cultural transmission of knowledge across generations ...
From: Ben Creisler [email protected] I dont recall seeing this article mentioned (apologies if I missed it). The pdf can be downloaded for free. Also, this is a new journal called Chinese Birds that might be worth monitoring for paleobird content in the future. http://www.chinesebirds.net:8080/Jweb_bird/EN/volumn/curre nt.shtml http://www.chinesebirds.net:8080/Jweb_bird/EN/abstract/abs tract33.shtml Dongsheng LI , Corwin SULLIVAN , Zhonghe ZHOU1, Fucheng ZHANG, 2010. Chinese Birds 2010, 1(2) 83-96. We use the term ?basal birds? for a relatively small number of primitive fossil birds that fall outside the major clade Ornithothoraces, which includes both modern birds and enantiornithines. Eight genera and twelve valid species have been reported from China in the last 15 years, whereas Archaeopteryx lithographica remains the only basal bird to have been described from non-Chinese specimens (although confuciusornithid material is apparently present in North Korea). Here we briefly review the Chinese ...
Harrisons Bird Food provides proper organic nutrition for your birds lifetime care. Harrisons Bird Food was created by avian veterinarians and nutritionists with the health of your bird in mind. Harrisons Bird Food formulas require little or no supplementation. All Harrisons Bird Food is a daily diet for maintaining healthy adult companion birds. The true natural, nutty flavor of the organic ingredients , along with the crunchy texture of Harrisons Bird Food are what birds really go for.
At first glance, this readers request is easy. BIRD TALK magazine frequently features lists of toxic and nontoxic plants. Many bird-care books and online resources also list plants believed to be safe or unsafe to display where birds are present.. A planted aviary can be beautiful and beneficial to the pet birds inside, but also consider other factors when adding plants and soil to the avian environment: climate, bird species, aviary size and location. You dont mention whether your aviary is indoors or outdoors. If outdoors, are the plants and soil in a sheltered area or open to sunshine and the elements? Does the aviary have a soil, gravel or concrete floor? How large are the birds? While small birds often find refuge in sheltering branches, larger parrots may simply shred the leaves and strip the bark from tree limbs.. Im not a big fan of planted indoor aviaries because it is difficult to control mold and mildew in a humid, controlled environment. Unless scrupulously cleaned up each day, ...
Reduced Appetite: It is very important that pet birds receive adequate nutrition every day as they have an extremely high metabolism. When a bird loses interest in food and starts to lose weight, it may be due to illness or distress. It may also be a sign of intestinal blockage or impaction. Rapid weight loss can very quickly be life threatening for birds. If your bird is displaying these symptoms you should also monitor the condition of droppings which can indicate ill health.. Unusual Droppings: If you keep the cage regularly cleaned, you will know what your birds normal droppings look like and this will make it easier to detect early any changes. Look for signs of unusual colour or consistency. A change in the colour of the birds droppings could be due to dietary changes or ill-health. Generally, droppings that are yellow, rusty brown, or tarry black are warning signs of serious problems, such as internal bleeding.. Ruffled Feathers: Your birds physical appearance can also give you a sign ...