| 1. A Qualitative and Quantitative Study of the Lung of an Ostrich |
| 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/full/20... |
| 2. A Tale of Two Boobies |
| Biological examination and dissection at the Slater Museum of a booby that strayed to the Pacific Northwest. |
| http://www.ups.edu/x13725.xml |
| 3. ABCD: Avian Brain Circuitry Database |
| Searchable database of the regions of a bird’s brain. |
| http://www.behav.org/abcd/abcd.php?proc=ares |
| 4. Avian Reproduction: Anatomy and the Bird Egg |
| Notes on the bird reproductive system and the development of the embryo, with explanatory drawings and photographs. |
| http://people.eku.edu/ritchisong/avianreprodu... |
| 5. Avian Reproduction: Clutch Size, Incubation and Hatching |
| 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/avianreprodu... |
| 6. 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. |
| http://www.ipedia.net/information/Beak |
| 7. Bird Feathers |
| This article discusses the features of feathers and the different types of feathers found on different parts of the bird. |
| http://petcaretips.net/bird-feather.html |
| 8. Bird Milk |
| Article describing how the young of some birds are fed on special secretions from their parents. |
| http://www.stanford.edu/group/stanfordbirds/t... |
| 9. Bird Respiratory System |
| Article explaining how air sacs play an important part in the gaseous exchange in birds, with many diagrams. |
| http://people.eku.edu/ritchisong/RITCHISO/bir... |
| 10. Bird Skull Collection |
| Images and data about skulls of western Palearctic and Tropical species, with complete skeletons of some species. |
| http://www.skullsite.co.uk/ |
| 11. Birdcall synthesis |
| 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/html/tu... |
| 12. Birdnet |
| Ornithological Council's website with comprehensive data about North American ornithological resources. |
| http://www.nmnh.si.edu/BIRDNET/ |
| 13. Chicken Embryo |
| A number of fine photographs of the development of a chick inside the egg. |
| http://www.microscopy-uk.org.uk/mag/artnov04m... |
| 14. Creches |
| 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/stanfordbirds/t... |
| 15. Development and Uses of Avian Skeleton Collections |
| 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/Storrs%2... |
| 16. EcoBirds Behaviour |
| Provides a series of bird articles covering nesting, song, migration and the curious habit of anting. |
| http://birds.ecoport.org/Behaviour/EBbehaviou... |
| 17. Electronic Resources on Ornithology |
| Annotated links and ornithological articles by Christopher Majka. |
| http://www.chebucto.ns.ca/Environment/NHR/bir... |
| 18. Feather Quest |
| Interactive quiz. Can you identify the birds from which these feathers come? |
| http://www.nmnh.si.edu/BIRDNET/FeatherQuest/F... |
| 19. Flapping Flight: Inertial Studies |
| 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/198/8/1... |
| 20. Flight in Birds |
| How do birds fly? An introduction to flight in birds examining wing shape, airflows, flapping flight and gliding. |
| http://www.earthlife.net/birds/flight.html |
| 21. Incubation: Heating the Egg |
| 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/stanfordbirds/t... |
| 22. Index of Lectures |
| A series of articles on different aspects of bird biology such as feathers, flight, respiration, territoriality, reproduction and metabolism. |
| http://www.ornithology.com/lectures/Introduct... |
| 23. List of Essays |
| Many articles on every aspect of bird life. A comprehensive and useful resource. |
| http://www.stanford.edu/group/stanfordbirds/S... |
| 24. Mechanics of Respiration in Birds |
| Notes and diagrams explaining how birds ventilate their lungs. |
| http://education.vetmed.vt.edu/Curriculum/VM8... |
| 25. Ornithological Worldwide Literature |
| OWL is a compilation of citations and abstracts from worldwide publications concerning the science of ornithology. |
| http://egizoosrv.zoo.ox.ac.uk/owl/default.htm |
| 26. Ornithology: Science of Birds |
| Includes data on the science of wild birds, with an emphasis on conservation and education. |
| http://www.ornithology.com/ |
