Sea Otters

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by hdemorett
Last updated 9 years ago

Discipline:
Science
Subject:
Animals

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Sea Otters

Sea Otters

THE FACTSLength: California sea otters: 4 feet; Northern sea otters are slightly larger.Weight: 45 lbs (females); 65 lbs (males). Northern sea otters can reach up to 100 pounds.Lifespan: 10-15 years (males); 15-20 years (females)

Diet:Sea otters eat mussels, clams, urchins, crabs, snails and over 40 other marine species.

Sea Otters Behavior:Sea otters live in shallow coastal waters off the northern Pacific. They are the only mammals other than primates, birds and a few other animals known to use tools. They use small rocks or other objects to pry shellfish from rocks and to hammer them open.Sea otters spend much of their lives in the water and can dive up to 330 feet when foraging for food. They sometimes rest in coastal kelp forests, often draping the kelp over their bodies to keep from drifting away.

Threats to Sea Otters:Oil spills, habitat loss, food limitation, fishing gear entrapment and conflict with shellfish fisheries.Protection:Endangered Species Act: California, or southern, sea otters are listed as threatened and fully protected under California state law. The Southwest stock of northern sea otters in Alaska is listed as threatened.


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