HOW DO OTTERS KEEP WARM ?

The long stiff hairs on the otter’s coat, known as guard hairs, are coated with oil which repels water.
Underneath the guard hairs, closer to the skin, the otter has a dense layer of warm fur which keeps them warm whether on dry land or swimming underwater.

Hunstanton SEA LIFE Sanctuary / hunstanton@sealsanctuary.co.uk