Iowa Birds and Birding =
www.iowabirds.org
Colorado Field Ornithologists (CFO) =
www.cfo-link.org
Big Bluestem Audubon Society (BBAS) =
www.wyalusing.org/BBAS.htm
The Evergreen Naturalist Audubon Society (TENAS) =
www.dipper.org
Denver Field Ornithologists (DFO) =
www.dfobirders.org
Surfbirds =
www.surfbirds.com
Birdchat = http://listserv.arizona.edu/archives/birdchat.html
Birdingpal (international birding contacts) =
www.birdingpal.org
Bookfinder (search for books) = www.bookfinder.com
