North America

North American Bird Sounds - Doug Von Gausig's site with bird songs, other sounds, and some explanatory text.
http://www.naturesongs.com/birds.html

HawkCount - Daily reports of migrant hawks seen at many North American hawk watch sites.
http://hawkcount.org/

Birdzilla - Sightings, newsletter, articles, species profiles including the complete text of Bent's Life Histories, bird lists, photos, backyard birding, and shopping.
http://www.birdzilla.com/

Hummingbirds - Photograph album, migration maps, attracting and feeding tips, species accounts, and articles.
http://www.hummingbirds.net/

Bird Watcher's Digest - Magazine for birdwatching, birding, backyard bird feeding, bird gardening, bird identification, bird travel, and birding products.
http://www.birdwatchersdigest.com/

Birds of North America - A reference series on North American birds, with information and sample profiles.
http://bna.birds.cornell.edu/BNA/

Bird Song and Wildlife Unlimited - Information about the book by Ernie Jardine with tips on learning songs, quiz (no audio), links, and photo gallery.
http://hometown.aol.com/bsid6/birdsong.html

Index to the Archives of Birding Email Lists - Links to searchable archives of U.S. and Canada birding email groups.
http://www.birdingonthe.net/mailinglists/holzmanarchives.html

Hawk Migration Association of North America - Monitors raptor migration throughout North America.
http://www.hmana.org/

BirdIQ - Site from ConocoPhillips with basic information on birds, bird watching, and feeding for students, teachers, and anyone interested in learning more.
http://www.birdiq.com/

American Birding Association - North America's largest membership organization for active birders, with news, details on publications and programs, and birding resources.
http://www.americanbirding.org/

The Nature Conservancy - Migratory Bird Program - Programs to protect critical habitats for birds throughout the Western Hemisphere. Species abstracts, fact sheets, and links.
http://nature.org/initiatives/programs/birds/

Internet Field Guide to Birds - Keys to identify North American species online; from The BioDiversity Institute. Includes photo gallery.
http://bdi.org/Birdkey/BirdFrameset.cfm

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).
http://birdsbybent.com/

BirdHawk - Archives of the Hawk Migration Association of North America e-mail group.
http://listserv.arizona.edu/archives/birdhawk.html

BirdWest - Archives of the e-mail group for western US/Canada rare bird alerts.
http://listserv.arizona.edu/archives/birdwest.html

The Bird Guide - Site guides, identification articles, and links for the Pacific Northwest, including Oregon, Washington, California, Idaho, and British Columbia.
http://thebirdguide.com/

BirdEast - Archives of the e-mail group for eastern US/Canada rare bird alerts.
http://listserv.arizona.edu/archives/birdeast.html

Suite101: Birds - Articles and links on different topics related to birds and birding.
http://www.suite101.com/topics.cfm/598

TeenBirdChat - E-mail group for young birders.
http://groups.yahoo.com/group/TeenBirdChat/

North American Bird Notes - Notes, distribution maps, and photos of current rarities. Includes gull section and bird quizzes.
http://www.birdinfo.com/

Sibley Guides - Information about the Sibley Guide to Birds, including updates, subspecies, and a gallery of David Sibley's paintings.
http://www.sibleyguides.com/

Peterson Birding Resources - Links and list of bird spectacles.
http://www.houghtonmifflinbooks.com/peterson/resources/

Boreal Songbird Initiative - Dedicated to educating birdwatchers and naturalists about the importance of the boreal forest of North America to migratory birds.
http://www.borealbirds.org/

Cornell Laboratory of Ornithology - A membership institution interpreting and conserving the earth's biological diversity through research, education, and citizen science focused on birds.
http://www.birds.cornell.edu/

BirdBand - Archives of the forum for bird banders.
http://listserv.arizona.edu/archives/birdband.html

North American Birds - Quarterly journal with feature articles and sightings summaries. Available online are information about the journal, tables of contents, some photos, and submission information.
http://americanbirding.org/pubs/nab/

Birds of the Continental United States and Canada - Checklist of 914 species recorded in North America north of Mexico.
http://www.bcpl.net/~tross/nabirds.html

North American Bird Photography Gallery - Photographs of many species by Peter LaTourrette.
http://www.birdphotography.com/

Birdwatching - Frequently asked questions, birding tips, articles, and store.
http://www.birdwatching.com/

North America Rare Bird Alert - Subscription reporting service on rare birds in the United States and Canada.
http://www.narba.org/

eBird - Project developed by the Cornell Lab of Ornithology and the National Audubon Society, provides a simple way to keep track of the birds you see anywhere in North America.
http://www.ebird.org/

WhatBird - A step-by-step parametric search engine for identifying birds in North America. Illustrations, calls, and links.
http://www.whatbird.com/

American Bird Center - Links related to birds and birding in the United States and Canada.
http://www.americanbirdcenter.com/

eNature Birds - Species accounts of North American birds, including images, descriptions, and sounds.
http://www.enature.com/fieldguides/intermediate.asp?curGroupID=1

BirdCntr - Archives of the e-mail group for central US/Canada rare bird alerts.
http://listserv.arizona.edu/archives/birdcntr.html

Obsolete English Names of North American Birds - Thorough list of old names of North American and Hawaiian birds and their modern equivalents.
http://www.pwrc.usgs.gov/research/pubs/banks/obsall.htm

John James Audubon's Birds of America - Audubon's images and original text descriptions from an 1840 (First Octavo Edition) of Audubon's complete seven volume text.
http://www.audubon.org/bird/BoA/BOA_index.html

Bird Records Committee Forum - Archives of the e-mail group for discussion of issues pertaining to groups that evaluate rare bird reports.
http://listserv.indiana.edu/archives/brcf-l.html

George West's Birding Homepage - Photo gallery, trip reports, Arizona hummingbird banding program, and updates to "A Birder's Guide to Alaska".
http://www.birchsidestudios.com/birding/

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.
http://www.oldbird.org/

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 information and species data.
http://www.partnersinflight.org/

Bird Lists - North America - Checklists and links for all US states, Canadian provinces, and outlying areas.
http://www.swamphen.net/birds/lists/no_america.htm

On Silent Wings Bird Photography - Photographs of birds from the ABA North American region, with birding and photograph links for beginners to experts.
http://www.wildbirdphotos.com/

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.
http://www.virtualbirder.com/

Birdfilms.com - Videos and DVDs on the lives and natural habitats of North American birds by Michael Male and Judy Fieth.
http://birdfilms.com/

WBBA Species Audio Library - Collection of 200 bird song audio recordings in high-quality MP3 format. All recordings were made in Wisconsin.
http://www.uwgb.edu/birds/wbba/speciesaudios.htm

Bird_RBA - Archives of the e-mail group for reports of continentally rare birds.
http://listserv.arizona.edu/archives/bird_rba.html