Combine a bulbous snout with a prominent jaw, a body like a beer keg set on four stubby legs, and you have a hippopotamus.

Members of the weasel family, otters are known for their elongated bodies, webbed feet and playful antics, particularly their love of sliding down rocks, banks or waterfalls.

These sleek, beautiful animals live in coastal waters, hunting for fish in the sea and returning to land to give birth to their young.