Sea otters are small marine mammals that lived in the ice ages.
Sea otters are medium sized mammals who live in the ocean. These animals dive underwater hunting mollusks and sea urchins. Sea otters use rocks in order to break open the hard shells of its prey. They are the only marine mammals without blubber, as they instead use air bubbles to keep their bodies warm.
Behind the Scenes
Like many animals seen in the Ice Age franchise, sea otters aren't true animals of the ice ages, instead being from the Holocene, a period long after the end of the ice age.