Assertion: river otter | /r/HasAspect | long tail
Facets:
Source sentences:
text: It has a long tail that is thick at the base, tapers toward the tip and grows to 12 to 19 inches in length.
text: The North American river otter, Lontra canadensis, generally weighs 20 to 25 pounds and has a long tail that's about half the length of its body.