Birds
- See Also:
- Birds - Associations
- Birds - Journals
- Pet Birds
- Poultry
- News
- BirdLife International News
- Birds in the News
- Web Sites
- 10,000 Birds
- Anthropology Bird Reference Collection Database
- American Bald Eagle Information
- American Ornithologists' Union Check-list of North American Birds
- Australian Birds
- Avian Biology
- The Aviary
- Avibase: the World Bird Database
- Avibirds European Birdguide Online
- BabelBird
- BabelBirdy
- Backyard Birding
- Beautiful Birds
- Bird Collections - Museum of Zoology, University of Bergen
- Bird Dictionary
- Bird Families of the World
- Bird-Hybrids
- Bird Links to the World
- Bird Studies Canada
- Bird Stuff
- Birdata
- BirdForum
- Birding.com
- BirdingGuide
- Birding/Wild Birds
- BirdNet
- Birds @ Smithsonian Institution
- Birds Down Under
- Birds of Eastern North America
- Birds of North America
- Birds of North America, Audubon's Watercolors
- BirdSource
- BirdTrack
- Birdzilla
- Class Aves
- The Complete Morris's British Birds 1891
- Cornell Lab of Ornithology
- eBird
- Florida Museum of Natural History: Ornithology
- Forest and Rangeland Birds of the United States
- Google: Aves
- Hawaiian Bird Checklist Database
- Homes for Birds
- Internet Bird Collection
- Introduction to the Aves
- John Penhallurick's Bird Data Project
- Life of Birds
- Louis Agassiz Fuertes Image Database
- MangoVerde World Bird Guide
- Multilingual North European Bird Dictionary
- National Museum of Namibia Bird Department
- New Zealand Birds
- Open Directory: Birding
- Orders of Birds
- Ornithology: the Science of Birds
- Ornithological Web Library
- Ornithological Worldwide Literature
- Raptor Center
- RareBird
- Sibley-Monroe checklist 1
- SORA: Searchable Ornithological Research Archive
- Utah Birds
- Virtual Bird
- Virtual Birder
- Where to Bird
- Wild Bird Omnibus
- World Bird List
- WorldBirdNames
- WorldTwitch
- Yale Peabody Museum of Natural History - Ornithology