| 1. | Birder.com | | | Links and books useful to birders. www.birder.com |
| 2. | The Virtual Birder | | | Virtual birding tours of North America's leading hot spots, articles, rare bird alerts, e-mail discussion group archives, and photo galleries. www.virtualbirder.com |
| 4. | American Birding Association | | | North America's largest membership organization for active birders, with news, details on publications and programs, and birding resources. www.americanbirding.org |
| 5. | Birdwatching | | | Frequently asked questions, birding tips, articles, and store. www.birdwatching.com |
| 7. | Birding America | | | Pictures and stories of birds, habitats, and birding at more than 185 sites in the United States and Canada. www.birdingamerica.com |
| 8. | Birdzilla | | | Sightings, newsletter, articles, species profiles including the complete text of Bent's Life Histories, bird lists, photos, backyard birding, and shopping. www.birdzilla.com |
| 9. | Bird Watcher's Digest | | | Magazine for birdwatching, birding, backyard bird feeding, bird gardening, bird identification, bird travel, and birding products. www.birdwatchersdigest.com |
| 10. | eNature Birds | | | Species accounts of North American birds, including images, descriptions, and sounds. www.enature.com |
| 12. | BirdEast | | | Archives of the e-mail group for eastern US/Canada rare bird alerts. listserv.arizona.edu |
| 13. | BirdWest | | | Archives of the e-mail group for western US/Canada rare bird alerts. listserv.arizona.edu |
| 14. | Bird_RBA | | | Archives of the e-mail group for reports of continentally rare birds. listserv.arizona.edu |
| 15. | The Bird Guide | | | Site guides, identification articles, and links for the Pacific Northwest, including Oregon, Washington, California, Idaho, and British Columbia. thebirdguide.com |
| 17. | Birders Journal | | | The Canadian magazine for North American birders, with information and tables of contents. www.birdersjournal.com |
| 18. | On Silent Wings Bird Photography | | | Photographs of birds from the ABA North American region, with birding and photograph links for beginners to experts. www.wildbirdphotos.com |
| 20. | Partners in Flight | | | An association supported by federal, state, and regional governments dedicated to the preservation of bird species that summer in North America and winter in South America. Volunteer info and species data. www.partnersinflight.org |
| 21. | BirdCntr | | | Archives of the e-mail group for central US/Canada rare bird alerts. listserv.arizona.edu |
| 22. | Hummingbirds | | | Photograph album, migration maps, attracting and feeding tips, species accounts, and articles. www.hummingbirds.net |
| 23. | Bird Song and Wildlife Unlimited | | | Information about the book by Ernie Jardine with tips on learning songs, quiz (no audio), links, and photo gallery. hometown.aol.com |
| 24. | Badbirdz | | | An e-zine of North American birding, with seawatching and Florida site guides. www.badbirdz.com |
| 27. | BirdBand | | | Archives of the forum for bird banders. listserv.arizona.edu |
| 28. | BirdHawk | | | Archives of the Hawk Migration Association of North America e-mail group. listserv.arizona.edu |
| 29. | WBBA Species Audio Library | | | Collection of 200 bird song audio recordings in high-quality MP3 format. All recordings were made in Wisconsin. www.uwgb.edu |
| 30. | Old Bird, Inc. | | | Information about the Flight Calls of Migratory Birds (Eastern North American Landbirds) CD-ROM and the Dickcissel night flight call monitoring project. www.oldbird.org |
| 33. | North American Bird Notes | | | Notes, distribution maps, and photos of current rarities. Includes gull section and bird quizzes. www.birdinfo.com |
| 36. | HawkCount | | | Daily reports of migrant hawks seen at many North American hawk watch sites. hawkcount.org |
| 38. | Familiar Birds | | | Full text of some of the species accounts of more common birds by Arthur Cleveland Bent from his classic Life Histories of North American Birds (1919-1968). birdsbybent.com |
| 39. | Boreal Songbird Initiative | | | Dedicated to educating birdwatchers and naturalists about the importance of the boreal forest of North America to migratory birds. www.borealbirds.org |
| 40. | Sibley Guides | | | Information about the Sibley Guide to Birds, including updates, subspecies, and a gallery of David Sibley's paintings. www.sibleyguides.com |
| 41. | American Bird Center | | | Links related to birds and birding in the United States and Canada. www.americanbirdcenter.com |
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