Which marine mammal uses tools to crack open shellfish?
Answer
Sea otter
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Giant tube worm
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Giant sunfish (Mola alexandrini)
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Sea otter
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Emperor penguin
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Blue whale
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Giant tube worm
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Giant sunfish (Mola alexandrini)
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Turritopsis dohrnii
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Mudskipper
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Torpedo ray
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Colossal squid