https://mdc.mo.gov/discover-nature/field-guide/american-beaver
American Beaver | Missouri Department of Conservation
The American beaver is a semiaquatic rodent distinguished by its large size, webbed hind feet, and large, horizontally flattened tail covered with leathery...
american beaverdepartment ofmissouriconservation
https://abesanimals.blogspot.com/2016/05/2-most-interesting-n-american-beaver.html
Abe's Animals: Most interesting N. American beaver subspecies
Texas beaver California golden beaver Sonora beaver Rio Grande beaver Newfoundland beaver
american beaverabeanimalsinterestingsubspecies
https://fieldguide.mt.gov/speciesDetail.aspx?elcode=AMAFE01010
North American Beaver - Montana Field Guide
Montana Field Guide contains a wealth of information about Montana's diverse species.
north american beavermontanafieldguide
https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=1090
American Beaver (Castor canadensis) - Species Profile
Species summary for American Beaver (Castor canadensis)
american beavercastor canadensisspeciesprofile