Description Sea otters are one of the cutest animals around! These fluffy sea mammals spend most of their lives in the water, hunting for crustaceans and clams deep underwater. Their thick, fluffy fur might be cute, but it also helps to keep sea otters warm in the cold ocean water. With some of the cutest full-color photographs and fascinating facts about how sea otters are adapted to life on the water, this exploration of sea otters is sure to draw readers in