List of rodents
List of mammals belonging to order Rodentia / From Wikipedia, the free encyclopedia
Rodents are animals that gnaw with two continuously growing incisors. Forty percent of mammal species are rodents, and they inhabit every continent except Antarctica.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/0/01/Rattus_norvegicus_1.jpg/199px-Rattus_norvegicus_1.jpg)
This list contains 2,276 species in 489 genera in the order Rodentia.[1]