http://birds.cornell.edu/ - Cornell Lab of Ornithology
[ home of the "Great Backyard Bird Count"
[ look for "Bird of the Week" button, (bottom of home page) - very helpful for finding information on many birds.
http://www.mbr-pwrc.usgs.gov/id/framlst/infocenter.html - Patuxent Wildlife Research Center
[ U.S. Geological Survey - Biological Resources - Dept. of Interior
[ studies habitat improvements, environmental contaminants, endangered species, migratory birds, & population analyses.
[ after accessing this site, use the Edit menu / Find (on This Page) to search for the bird that interests you.
http://www.wildbirds.com/Favorites.htm - for the bird enthusiast
[ near the bottom of the middle column you will find links for favorite, (well-known), birds.
http://www.birdphotography.com - North American Birds Photo Gallery
http://www.petersononline.com/birds/month/ - Peterson Field Guide - Birds of Eastern & Central N. America
[ list 28 birds (near bottom center)... each links to examples from the Peterson Field Guide
http://www.audubon.org - National Audubon Society
[ mission statement: conserve and restore natural ecosystems, focusing on birds and other wildlife for the benefit of humanity and the earth's biological diversity.
[ if birding interests you - this is the organization to learn about.