river otter

noun
a North American otter, Lutra canadensis, with brown and silver fur, native to streams and lakes in the U.S. and Canada.

Origin:
1830–40

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
One subspecies of mountain lion and one subspecies of river otter are considered to be species of special concern.
The river otter is the only mammal living at the aquarium.
Bobcat and river otter pelts must be sealed within ten days of the close of the trapping or hunting season.
Common mammals found in the area include raccoon, river otter, and bottle-nosed dolphins.
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