Benjamin and Betty
- Read about two master builders who live along the Little Falls river in Northern Baltimore County, Maryland.
- http://www.b4ubuild.com/kids/ben01.html

Ontario Fur Managers Federation: Beaver
- A description of the animal, its habits, and distribution. Includes a discussion of beaver management.
- http://www.furmanagers.com/furbearers.aspx?section=beaver

Animal Diversity Web: Castoridae Family
- Tells about both the American (Castor canadensis) and European (Castor fiber) species. Includes many photos, including photos of the skeletons.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Castoridae.html

ConserveWildlife.org - Trapping Education - The Beaver
- Description of the animal and a map showing how common it is in the northeastern part of North America.
- http://www.anr.state.vt.us/furbearer//animals/beaver.html

Hinterland Who's Who - Beaver
- A description of the animal, its range, feeding and breeding habits, and conservation concerns.
- http://www.hww.ca/hww2.asp?cid=8&id=82

The Canadian Museum of Nature: Beaver
- A brief description of the Canadian beaver and its importance in early Canadian history.
- http://www.nature.ca/notebooks/english/beaver.htm

BC Adventure.com: Beaver - Castor canadensis
- A description of the beaver and its habits. Includes drawings of its tracks and track measurements.
- http://www.fishbc.com/adventure/wilderness/animals/beaver.htm