可爱海獭吃海胆，拯救水下森林
Sea otters are small animals that live in the ocean. They have thick fur and like to float on their backs. They live near the coasts of North America and Asia.
Sea otters eat sea urchins. Sea urchins are small, round animals with spines. They eat kelp. Kelp is a big plant that grows in the sea like an underwater forest.
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