🦦💎🔨

#sea otter #tool use #cracking shells #behavior #ラッコ

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#sea otter #otter rock #clam #shellfish #cracking shells #floating #marine mammal #tool use

🦦🪨🐚

#sea otter #otter tool use #cracking shells #rock tool #shellfish #foraging #smart animal

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#hard shell food #lobster cracker #crab mallet #difficult to eat #cracking shells