Southwest Alaska Northern Sea Otter - Rebekah Fesmire
The Southwest Alaska Northern Sea Otter http://www.defenders.org/sea-otter/basic-facts Description and Ecology of Otters Sea otters are mammals in the order Carnivora. Adult males can weigh up to 99 pounds and reach a length of 58 inches, and females can weigh up to 79 pounds and a length of 55 inches. This size can vary from population to population, however, potentially due to food resources. Unlike other carnivores who have teeth designed to shred their prey, sea otters have teeth used to crush prey. They are also unique in that they use tools such as rocks or shells to open their hard-shelled prey. Sea otters need to eat 20-33% of their total body weight every day to reach the energy they need for day-to-day activities. Otters must dive to the ocean floor in order to acquire food, so usually they only live out to depths of 100m. Additionally, sea otters don't tend migrate great distances. They tend to stay in a fairly small home range. Male s