- muskrat - the brown fur of a muskrat
--1 is a kind of fur, pelt
--1 has particulars: hudson seal - muskrat, musquash, Ondatra zibethica - beaver-like aquatic rodent of North America with dark glossy brown fur
--2 is a kind of rodent, gnawer, gnawing animal
--2 is a member of Ondatra, genus Ondatra