Beavers: Wetlands and Wildlife - Introduction to the biology of Castor canadensis and advice on resolving conflicts between humans and beavers. North American Beaver: Castor canadensis - Student project with classification, habitat, adaptation, nutrition, reproduction and interactions with other species. Eurasian Beaver: Castor fiber - Photographs, videos and classification information from ARKive. American Beaver: Castor canadensis - Photographs, videos and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Beavers - The Washington Department of Fish and Wildlife provides much information on beavers and beaver ponds, including their interactions with man. Castoridae Family - Information about the family and detailed accounts of its two species from the Animal Diversity Web.