A pinniped is a group of marine mammals that includes seals, sea lions, and walruses. They are characterized by their streamlined bodies, flipper-like limbs, and ability to thrive both in the water and on land. Pinnipeds have adapted to their aquatic environment with features such as a layer of blubber for insulation, specialized limbs for swimming, and the ability to hold their breath for extended periods of time. They are found in various parts of the world, from the Arctic to the Antarctic, and are known for their remarkable diving and hunting abilities. Pinnipeds are an important part of marine ecosystems and are protected under various conservation laws to ensure their survival in the wild.

英語での「pinniped」の定義と意味

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