Fat Birder
News, worldwide birding links, and reviews.
http://www.fatbirder.com/

Birding the World
Don Roberson's detailed guide to birding in each of the world's biogeographic regions.
http://montereybay.com/creagrus/world.html

BirdChat Quiz
Stephane Moniotte's site with quiz birds, results of past quizzes, and photographs.
http://www.angelfire.com/ms/moniotte/

Ornifolks
Network of US birders who share trip expenses to bird distant places as economically as possible. Newsletter and trip reports from around the world.
http://ornifolks.org/ornifolks.htm

Ocean Wanderers
Seabird news, pelagic birding around the world, annotated lists of seabirds and marine mammals, photo gallery, photo quiz, list of identification articles, and links.
http://www.oceanwanderers.com/

Birding on the Net
Recent messages of birding e-mail groups, rare bird alerts, artwork, checklists, news, and links.
http://birdingonthe.net/

Birding.com
Photos, songs, birding hot spots, checklists, links, and advice for new and backyard birders.
http://www.birding.com/

BirdingPal
Worldwide list of contacts, grouped by location, who are willing to help travelling birdwatchers.
http://birdingpal.org/

International Migratory Bird Day
Annual event held the second Saturday in May. Brief information about the event and online store.
http://www.birdday.org/

About Birding/Wild Birds
Articles and links.
http://birding.about.com/

Bird Forum
Forums for discussion of birds, birding, and bird photography worldwide. Includes photo gallery and trip reports.
http://www.birdforum.net/

GORP - Birding
Articles, guides to sites throughout the world, species information, resources, and links of interest to birders.
http://gorp.away.com/gorp/activity/birding.htm

WorldTwitch
Guide to finding rare birds around the world.
http://www.worldtwitch.com/

Surfbirder
A search engine for birds and birding.
http://www.surfbirder.com/

Bird Links to the World
Collection of links related to birds, birding, and birders, divided by geographic location.
http://www.bsc-eoc.org/links/links.jsp

The Birding Home
Logs of birders' observations from around the world.
http://www.thebirdinghome.org/cgi-bin/bigbird.pl

Surfbirds
World birding news, identification and bird finding articles, photographs, sketches, and trip reports.
http://www.surfbirds.com/index.php

thebirdinsight.com
Forum for keen birdwatchers and bird conservationists from around the world.
http://thebirdinsight.com/forum/

Birding Site Guide
Descriptions and bird lists for birding sites worldwide.
http://www.birdingsiteguide.com/

My Bird Lists
Membership site with forum, storage of personal bird lists, and capability to upload text and photos/artwork.
http://mybirdlists.com/

Birds I Saw
Bird photographs from around the world. Allows users to assemble their own books for birds, with output in pdf or html.
http://www.fsquares.com/bis/

BirdSite
A community-based website for sharing bird images and sounds from around the world.
http://birdsite.org/