Castor canadensis (North American Beaver) : dam

Illustration of Castor canadensis (North American Beaver)

Illustration of a beaver hut

Illustration of Lontra canadensis (North American River Otter)

Illustration of Ursus americanus (American Black Bear)

Illustration of Ovis canadensis (Bighorn Sheep)

Illustration of North Pine Dam in Queensland, Australia

Illustration of Gulo gulo (Wolverine)

Illustration of Procyon lotor (Raccoon)