The fur of a sea otter grows so closely together, that it is waterproof. It also traps tiny pockets of air, and the air acts as an insulator, helping to keep the otter from losing heat into the water.
Air trapped in their fur keeps them warm
they want money. so they sell the sea otter pelts.
Bleep
yes
Yes they are
by far polar bear because the live in much colder weather then sea otter
hott sex
i think it is a sea otter or a dolphin
Thick fur
I believe the beaver possibly has the most dense fur.
becausepeople use them for fur hats and used to trade there skin
The obvious answer is - it's fur gets wet !