Animal Information Database
http://seaworld.org/animal-info
This site has extensive information about animals. Scientific classification, habitat, senses, behavior, diet and eating habits, reproduction, birth and care of their young, are all included.

Vertebrate Animals Hotlist
http://sln.fi.edu/tfi/hotlists/animals.html
This site developed by the Franklin Institute has easy-to-understand information on vertebrates.