A Qualitative and Quantitative Study of the Lung of an Ostrich Save
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.
http://jeb.biologists.org/cgi/content...   

A Tale of Two Boobies Save
Biological examination and dissection at the Slater Museum of a booby that strayed to the Pacific Northwest.
http://www.ups.edu/x13725.xml   

Adaptive Anatomy and Physiology of the Bird Save
Illustrated notes cover the beak, eye and integument, and the digestive, musculoskeletal, reproductive and respiratory systems of birds.
http://d-mis-web.ana.bris.ac.uk/calne...   

Animal Files: Birds Save
Here you can find information on bird biology, bird mythology, symbolism, birds in shamanism and in dreams.
http://www.dierinbeeld.nl/animal_file...   

Avian Reproduction: Anatomy and the Bird Egg Save
Notes on the bird reproductive system and the development of the embryo, with explanatory drawings and photographs.
http://people.eku.edu/ritchisong/avia...   

Avian Reproduction: Clutch Size, Incubation and Hatching Save
Notes on clutch size optimization in birds, reproductive success, embryo development, incubation and the hatching process, with links to other similar articles.
http://people.eku.edu/ritchisong/avia...   

Beak Save
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.
http://www.ipedia.net/information/Beak   

Bird Milk Save
Article describing how the young of some birds are fed on special secretions from their parents.
http://www.stanford.edu/group/stanfor...   

Bird Respiratory System Save
Article explaining how air sacs play an important part in the gaseous exchange in birds, with many diagrams.
http://people.eku.edu/ritchisong/RITC...   

Bird Skull Collection Save
Images and data about skulls of western Palearctic and Tropical species, with complete skeletons of some species.
http://www.skullsite.co.uk/   

Birdcall synthesis Save
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.
http://www.obiwannabe.co.uk/tutorials...   

Birdnet Save
Ornithological Council's website with comprehensive data about North American ornithological resources.
http://www.nmnh.si.edu/BIRDNET/   

Creches Save
Article describing how some birds adopt the strategy of grouping their young, leaving them with a guardian while both parents go off to forage.
http://www.stanford.edu/group/stanfor...   

Development and Uses of Avian Skeleton Collections Save
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.
http://www.boc-online.org/PDF/vol124/...   

EcoBirds Behaviour Save
Provides a series of bird articles covering nesting, song, migration and the curious habit of anting.
http://birds.ecoport.org/Behaviour/EB...   

Electronic Resources on Ornithology Save
Annotated links and ornithological articles by Christopher Majka.
http://www.chebucto.ns.ca/Environment...   

Feather Quest Save
Interactive quiz. Can you identify the birds from which these feathers come?
http://www.nmnh.si.edu/BIRDNET/Feathe...   

Flapping Flight: Inertial Studies Save
Technical article by researchers at Bristol University who measured the wings of bats and birds and calculated their efficiency in flight.
http://jeb.biologists.org/cgi/reprint...   

Flight in Birds Save
How do birds fly? An introduction to flight in birds examining wing shape, airflows, flapping flight and gliding.
http://www.earthlife.net/birds/flight...   

Incubation: Heating the Egg Save
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.
http://www.stanford.edu/group/stanfor...   

Index of Lectures Save
A series of articles on different aspects of bird biology such as feathers, flight, respiration, territoriality, reproduction and metabolism.
http://www.ornithology.com/lectures/I...   

Intermittent Flight Strategies Save
Paolo Viscardi at the University of Leeds examines intermittent flight whereby wing beat pattern is varied by the bird while flying.
http://www.biology.leeds.ac.uk/staff/...   

List of Essays Save
Many articles on every aspect of bird life. A comprehensive and useful resource.
http://www.stanford.edu/group/stanfor...   

Mechanics of Respiration in Birds Save
Notes and diagrams explaining how birds ventilate their lungs.
http://education.vetmed.vt.edu/Curric...   

Ornithological Web Library Save
A comprehensive annotated library of over 1,800 ornithological and birding related links.
http://www.aves.net/the-owl/   

Ornithology: Science of Birds Save
Includes data on the science of wild birds, with an emphasis on conservation and education.
http://www.ornithology.com/   

Parental Care Save
The young of passerines when first hatched are naked, blind, and helpless and require much care which involves feeding, training and protection from predators.
http://www.stanford.edu/group/stanfor...   

Polygyny Save
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.
http://www.stanford.edu/group/stanfor...   

Population Dynamics Save
Essay discussing the factors behind the variation in the number of individuals in a bird population over time.
http://www.stanford.edu/group/stanfor...   

Raptor Information System Save
The RIS is a free searchable catalog of over 38,000 references about the biology and management of birds of prey.
http://ris.wr.usgs.gov   

Sense of Direction Save
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.
http://www.princeton.edu/pr/pwb/04/05...   

Sexual Selection Save
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.
http://www.stanford.edu/group/stanfor...   

Site Tenacity Save
Many birds return to the same nesting site each season. This essay discusses why this should be so.
http://www.stanford.edu/group/stanfor...   

Smithsonian Migratory Bird Center Save
Ecological and land-management research, education, conservation policy, data on migration and fact sheets.
http://nationalzoo.si.edu/Conservatio...   

Teachers' Domain: Bird Beak Gallery Save
Provides an essay on beaks, and photographs of birds heads and beaks.
http://www.teachersdomain.org/resourc...   

Territoriality Save
Article describing how birds try to exclude others of the same species from their home range.
http://www.stanford.edu/group/stanfor...   

The Atlas of Bird Migration Save
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.
http://www.brownreference.com/php/PDF...   

The Normal Moulting Process in Birds Save
Talk given by Avian Vet A. K. Jones to a conference of the Association of Avian Veterinarians in August 1998.
http://www.parrotpassionsuk.com/Advic...   

The Structure of Avian Skin and Feathers Save
Technical article describing a bird's skin and associated structures, its feathers, beak, claws and spurs.
http://pcwww.liv.ac.uk/~timn/THE STRU...   

Urban Birds Save
Article discussing how birds have adapted to urban foraging amid the artificial concrete and steel ecosystems of cities.
http://www.stanford.edu/group/stanfor...   

Vocal Copying Save
Article describing how birds learn their songs from adult tutors and may incorporate sounds from other species into their repertoire.
http://www.stanford.edu/group/stanfor...   

Vocal Dialects Save
Article describing how the songs of many avian species show geographic variation.
http://www.stanford.edu/group/stanfor...   

Vocal Functions Save
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.
http://www.stanford.edu/group/stanfor...   

When and How do Birds Migrate Save
Article discussing the varying strategies adopted by birds in finding their way when taking part in their long distance journeys.
http://www.earthlife.net/birds/migrat...   

Wing Image Collection Save
The Slater Museum of Natural History provides a comprehensive selection of photographs of bird wings.
http://www.ups.edu/x5662.xml   

A Tale of Two Boobies
Biological examination and dissection at the Slater Museum of a booby that strayed to the Pacific Northwest.

Wing Image Collection
The Slater Museum of Natural History provides a comprehensive selection of photographs of bird wings.

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