Mammal
Sea otter
The sea otter is a mammal.
Photo by Marshal Hedin from San Diego. CC BY-SA 2.0 · Source
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Unusual but true
A sea otter's fur is the thickest of any animal. It has no blubber.
Where it lives
Sea otters live along the north Pacific coast.
What it eats
A sea otter eats sea urchins, crabs, and clams.
How big
About as long as a child is tall.
Places: Ocean
Sea otters are endangered.