

Field Museum of Natural History (Chicago)
American Museum of Natural History
Florida Museum of Natural History
Smithsonian Natural History Museum
Virginia Museum of Natural History
Illinois Department of Natural Resources
Illinois Natural History Survey
Biodiversity and Biological Collections Webserver
U.S. Fish and Wildlife Service
American Society of Mammalogists
Bat Conservation International
Cornell University Laboratory of Ornithology
Links to Birdsongs and Birding Sites
Illinois and Chicago Net Birding- Contains Many Great Links
Try This Bird Quiz from the University of Georgia Natural History Museum
Birding, Birdwatching, and Wild Birds at About.com
Chicago Herpetological Society
Smithsonian National Zoological Park
The National Arbor Day Foundation