Animal Facts River Otter River otters often seem playful. They slide down muddy slopes, chase each other underwater, and dive for pebbles. Photo: USFWS Mountain Prairie 144 facts found in category 'Mammals' Get Animal Facts by Category AmphibiansBirdsCollectionsCreepy CrawliesFishMammalsPrehistoricReptiles
River Otter River otters often seem playful. They slide down muddy slopes, chase each other underwater, and dive for pebbles. Photo: USFWS Mountain Prairie