Bob Arnebeck's Beavers - Descriptions of beavers and beaver ponds; short reviews of books and articles about beavers. www.geocities.com/bobarnebeck/BeaveReality.htm
Castoridae Family - Information about the family and detailed accounts of its two species from the Animal Diversity Web. animaldiversity.ummz.umich.edu/chordata/mammalia/rodentia/castoridae.html
