Endangered Species: Sea Otter
The Sea Otter The Sea Otter is a cute and actually the smallest marine mammal in North America. The can get up to 4 f eet long and up to 50 pounds. South America's Sea Otter is the smallest marine mammal in the world. Unlike other marine mammals, the sea otter doesn’t have a thick layer of blubber. To stay warm in chilly ocean waters, it wears the world's densest fur — at its thickest, this two-layer fur is made up of more than a million hairs per square inch. Another way the sea otter stays warm is with its high metabolism — it will eat about a quarter of its body weight each day (A 150-pound person would have to eat 35 to 40 pounds of food a day to match that). This helps it maintain an average body temperature of 100 degrees Fahrenheit. The current southern sea otter population averages around 3,000 individuals. Since the California population has a limited range and is close to human activity, they are considered endangered. Habitat/Range Southern sea otters can be