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
North America's largest membership organization for active birders, with news, details on publications and programs, and birding resources. www.americanbirding.org
Quarterly journal with feature articles and comprehensive sightings summaries. Available online are information about the journal, tables of contents, some photos, and submission information. americanbirding.org/publications/nabgen.htm
Sightings, newsletter, articles, species profiles including the complete text of Bent's Life Histories, bird lists, photos, backyard birding, and shopping. www.birdzilla.com
Site guides, identification articles, and links for the Pacific Northwest, including Oregon, Washington, California, Idaho, and British Columbia. thebirdguide.com
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