sentence: Otters are playful and energetic.
sentences_after: They can be seen sliding down hills and slopes, as well as chasing other otters for fun. Some kinds of otters live in groups, while others are almost always alone. Because they spent so much time in cold water, they have to groom their fur often to stop themselves from freezing.
concept_name: otter
headings: Otter Behaviour
categories: Mustelids Mammals of North America