The nutria (Myocastor coypus) is a large, dark-colored, semiaquatic rodent that is native to southern South America. At first glance, a casual observer may misidentify a nutria as either a beaver (Castor canadensis) or a muskrat (Ondatra zibethicus), especially when it is swimming. read more
The difference between beavers, muskrats and nutria. Beaver, Muskrat and Nutria Identification. The American beaver is a native mammal that plays an important ecological role in our watersheds. read more