Assertion: river otter | /r/HasProperty | social
Facets:
value: unlike many mustelids
type: OTHER
value: extremely
type: DEGREE
Source sentences:
text: River otters are extremely social and often frolic in the water with their mates or cubs, slide down hills on their bellies or wrestle with other otters on land.
text: North American river otters are social animals.
text: Unlike many mustelids, river otters are more social animals.