| American Birding Association | | North America's largest membership organization for active birders, with news, details on publications and programs, and birding resources. |
| Bird Watcher's Digest | | Magazine for birdwatching, birding, backyard bird feeding, bird gardening, bird identification, bird travel, and birding products. |
| BirdBand | | Archives of the forum for bird banders. |
| BirdCntr | | Archives of the e-mail group for central US/Canada rare bird alerts. |
| BirdEast | | Archives of the e-mail group for eastern US/Canada rare bird alerts. |
| Birders Journal | | The Canadian magazine for North American birders, with information and tables of contents. |
| Birdfilms.com | | Videos and DVDs on the lives and natural habitats of North American birds by Michael Male and Judy Fieth. |
| BirdHawk | | Archives of the Hawk Migration Association of North America e-mail group. |
| Birding America | | Pictures and stories of birds, habitats, and birding at more than 185 sites in the United States and Canada. |
| BirdIQ | | Site from ConocoPhillips with basic information on birds, bird watching, and feeding for students, teachers, and anyone interested in learning more. |
| Birds of North America | | Comprehensive reference series on North American birds, with information and sample profiles. |
| BirdSource | | Joint project of National Audubon and the Cornell Lab of Ornithology with the complete Christmas Bird Count database, Project FeederWatch, BirdCast, HawkWatch results, Great Backyard Bird Count, and feature articles. |
| Birdwatching | | Frequently asked questions, birding tips, articles, and store. |
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