Beaver Information: Fact sheet about the largest rodent found in the U.S. and Canada.
Beavers: Wetlands and Wildlife: Introduction to the biology of Castor canadensis and advice on resolving conflicts between humans and beavers.
Bob Arnebeck's Beavers: Descriptions of beavers and beaver ponds; short reviews of books and articles about beavers.
Castoridae Family: Information about the family and detailed accounts of its two species from the Animal Diversity Web.