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Ornithology
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Associations (13)
Mailing Lists (3)
Personal Pages (9)
Publications (8)
Research Centers (11)
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    Kids and Teens > School Time > Science > Living Things > Animals > Birds  (545)
    Recreation > Birding  (2109)
    Science > Biology > Flora and Fauna > Animalia > Chordata > Aves  (1715)
    Science > Earth Sciences > Paleontology > Vertebrates > Birds  (2)
    Science > Environment > Biodiversity > Conservation > Birds  (57)
    Society > Issues > Environment > Organizations > National Audubon Society  (368)

Web Pages
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  Smithsonian Migratory Bird Center http://nationalzoo.si.edu/ConservationAndScience/MigratoryBirds/
Ecological and land-management research, education, conservation policy, data on migration and fact sheets.
  List of Essays http://www.stanford.edu/group/stanfordbirds/SUFRAME.html
Many articles on every aspect of bird life. A comprehensive and useful resource.
  Birdnet http://www.nmnh.si.edu/BIRDNET/
Ornithological Council's website with comprehensive data about North American ornithological resources.
  Electronic Resources on Ornithology http://www.chebucto.ns.ca/Environment/NHR/bird.html
Annotated links and ornithological articles by Christopher Majka.
  Ornithology: Science of Birds http://www.ornithology.com/
Includes data on the science of wild birds, with an emphasis on conservation and education.
  Sexual Selection http://www.stanford.edu/group/stanfordbirds/text/essays/Sexual_Selection.html
Female birds of some species tend to choose as mates those males holding the most desirable territories, but there is little evidence that females preferentially select males with different degrees of ornamentation.
  Raptor Information System http://ris.wr.usgs.gov
The RIS is a free searchable catalog of over 38,000 references about the biology and management of birds of prey.
  Polygyny http://www.stanford.edu/group/stanfordbirds/text/essays/Polygyny.html
Most birds are monogamous, but in some species the occurrence of polygyny, where one male mates with more than one female, is related to high-quality territories with an abundance of resources.
  Territoriality http://www.stanford.edu/group/stanfordbirds/text/essays/Territoriality.html
Article describing how birds try to exclude others of the same species from their home range.
  Population Dynamics http://www.stanford.edu/group/stanfordbirds/text/essays/Population_Dynamics.html
Essay discussing the factors behind the variation in the number of individuals in a bird population over time.
  Index of Lectures http://www.ornithology.com/lectures/Introduction.html
A series of articles on different aspects of bird biology such as feathers, flight, respiration, territoriality, reproduction and metabolism.
  Vocal Functions http://www.stanford.edu/group/stanfordbirds/text/essays/Vocal_Functions.html
Songs identify the species of the singing bird. The territorial song of males serves the dual purpose of territorial proclamation directed at other males and of mate attraction directed toward females.
  Incubation: Heating the Egg http://www.stanford.edu/group/stanfordbirds/text/essays/Incubation.html
Most birds create the required temperature by sitting on their eggs but some transfer heat through their webbed feet, and the megapodes of Australia bury them in a mound of decaying vegetation.
  Parental Care http://www.stanford.edu/group/stanfordbirds/text/essays/Parental_Care.html
The young of passerines when first hatched are naked, blind, and helpless and require much care which involves feeding, training and protection from predators.
  Vocal Dialects http://www.stanford.edu/group/stanfordbirds/text/essays/Vocal_Dialects.html
Article describing how the songs of many avian species show geographic variation.
  Site Tenacity http://www.stanford.edu/group/stanfordbirds/text/essays/Site_Tenacity.html
Many birds return to the same nesting site each season. This essay discusses why this should be so.
  Vocal Copying http://www.stanford.edu/group/stanfordbirds/text/essays/Vocal_Copying.html
Article describing how birds learn their songs from adult tutors and may incorporate sounds from other species into their repertoire.
  Sense of Direction http://www.princeton.edu/pr/pwb/04/0503/1b.shtml
Article from the Princeton Weekly Bulletin outlining how Biologist Martin Wikelski is helping to settle the long-standing debate over how migratory birds manage to navigate in darkness and bad weather.
  Urban Birds http://www.stanford.edu/group/stanfordbirds/text/essays/Urban_Birds.html
Article discussing how birds have adapted to urban foraging amid the artificial concrete and steel ecosystems of cities.
  Bird Milk http://www.stanford.edu/group/stanfordbirds/text/essays/Bird_Milk.html
Article describing how the young of some birds are fed on special secretions from their parents.
  Creches http://www.stanford.edu/group/stanfordbirds/text/essays/Creches.html
Article describing how some birds adopt the strategy of grouping their young, leaving them with a guardian while both parents go off to forage.
  Feather Quest http://www.nmnh.si.edu/BIRDNET/FeatherQuest/FeatherQuest.html
Interactive quiz. Can you identify the birds from which these feathers come?
  Bird Skull Collection http://www.skullsite.co.uk/
Images and data about skulls of western Palearctic and Tropical species, with complete skeletons of some species.
  A Tale of Two Boobies http://www.ups.edu/x13725.xml
Biological examination and dissection at the Slater Museum of a booby that strayed to the Pacific Northwest.
  Wing Image Collection http://www.ups.edu/x5662.xml
The Slater Museum of Natural History provides a comprehensive selection of photographs of bird wings.
  Teachers' Domain: Bird Beak Gallery http://www.teachersdomain.org/resources/tdc02/sci/life/stru/beakgallery/index.html
Provides an essay on beaks, and photographs of birds heads and beaks.
  Flight in Birds http://www.earthlife.net/birds/flight.html
How do birds fly? An introduction to flight in birds examining wing shape, airflows, flapping flight and gliding.
  When and How do Birds Migrate http://www.earthlife.net/birds/migration2.html
Article discussing the varying strategies adopted by birds in finding their way when taking part in their long distance journeys.
  A Qualitative and Quantitative Study of the Lung of an Ostrich http://jeb.biologists.org/cgi/content/full/204/13/2313
The colossal body size, the relinquishment of flight and the extreme thermal stresses on the ground make the examination of an ostrich’s lungs rewarding.
  The Structure of Avian Skin and Feathers http://pcwww.liv.ac.uk/~timn/THE%20STRUCTURE%20OF%20AVIAN%20SKIN%20AND%20FEATHERS.doc
Technical article describing a bird's skin and associated structures, its feathers, beak, claws and spurs.
  Beak http://www.ipedia.net/information/Beak
Article describing the anatomy of this distinctive feature of birds which, in addition to eating, can be used for grooming, manipulating objects, killing prey, probing for food, courtship, and feeding the young.
  Birdcall synthesis http://www.obiwannabe.co.uk/tutorials/html/tutorial_birds.html
Article describing how birds use their syrinx, throat and beak to make a wide range of tones without the sophisticated muscle structure possessed by humans.
  The Normal Moulting Process in Birds http://www.parrotpassionsuk.com/Advice/Moulting.htm
Talk given by Avian Vet A. K. Jones to a conference of the Association of Avian Veterinarians in August 1998.
  Avian Reproduction: Anatomy and the Bird Egg http://people.eku.edu/ritchisong/avianreproduction.html
Notes on the bird reproductive system and the development of the embryo, with explanatory drawings and photographs.
  Avian Reproduction: Clutch Size, Incubation and Hatching http://people.eku.edu/ritchisong/avianreproduction2.html
Notes on clutch size optimization in birds, reproductive success, embryo development, incubation and the hatching process, with links to other similar articles.
  Bird Respiratory System http://people.eku.edu/ritchisong/RITCHISO/birdrespiration.html
Article explaining how air sacs play an important part in the gaseous exchange in birds, with many diagrams.
  Flapping Flight: Inertial Studies http://jeb.biologists.org/cgi/reprint/198/8/1655
Technical article by researchers at Bristol University who measured the wings of bats and birds and calculated their efficiency in flight.
  Mechanics of Respiration in Birds http://education.vetmed.vt.edu/Curriculum/VM8054/Labs/Lab26/Notes/birdresp.htm
Notes and diagrams explaining how birds ventilate their lungs.
  Ornithological Worldwide Literature http://egizoosrv.zoo.ox.ac.uk/owl/default.htm
OWL is a compilation of citations and abstracts from worldwide publications concerning the science of ornithology.
  Development and Uses of Avian Skeleton Collections http://www.boc-online.org/PDF/vol124/Storrs%20Olson.pdf
Skeletons are essential for the identification of fossils, bones from archaeological sites and food items taken by predators as well as histological and physiological studies.
  Animal Files: Birds http://www.dierinbeeld.nl/animal_files/birds/
Here you can find information on bird biology, bird mythology, symbolism, birds in shamanism and in dreams.
  The Atlas of Bird Migration http://www.brownreference.com/php/PDFS/AN_Title_Information/457---Sample_Spreads.pdf
Comprehensive article on the great challenge faced by long distance migrants which have to find their way to winter quarters and return to their breeding grounds in the spring.
  EcoBirds Behaviour http://birds.ecoport.org/Behaviour/EBbehaviour.htm
Provides a series of bird articles covering nesting, song, migration and the curious habit of anting.
  Chicken Embryo http://www.microscopy-uk.org.uk/mag/artnov04macro/mlchicken.html
A number of fine photographs of the development of a chick inside the egg.
  The Making of an Egg http://ohioline.osu.edu/vme-fact/0021.html
Describes the development of the egg of a bird from the release of a mature ovum to the completed egg with shell being laid.

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