Sea otters are known for their clever use of tools, and they often carry around rocks for several practical reasons. One of the main uses is for breaking open hard-shelled prey like clams, mussels, and sea urchins. They'll use the rock as a tool while floating on their backs, smashing the shells against it to access the soft meat inside. Additionally, sea otters have a loose patch of skin under their forearms that serves as a sort of pocket. In these pockets, they can store their favorite rocks
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Sea otters are known for their clever use of tools, and they often carry …
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An abalone can be pretty hard to pry off a rock. Just ask a sea otter! But if there’s a handy stone nearby? Good luck abalone! | Monterey Bay Aquarium
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Otter-ly amazing! How otters use tools to get into their favourite foods. 🌊😋 | BBC Two
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Some sea otters have a favorite rock. Sea otters are among the few non-primate animals that consistently use tools. With no blubber to insulate them, they rely on dense fur and clever behavior to survive in cold water. One of those behaviors? Tool use. To crack tough prey like clams or urchins, otters use rocks as hammers or anvils. What’s striking isn’t just that they use tools — it’s how consistently they do it. Many otters carry a specific rock in a small skin flap under each forearm. These “
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Some sea otters have a favorite rock. Sea otters are among the fe…
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Sea otters aren’t just cute—they’re also one of the few marine animals that use tools. Here in BC, you might see a sea otter repeatedly slamming a shell against some rocks until the shell cracks open. Some will even float with a rock balanced on their belly and use it as a personal dining table, striking the shell against it with quick, sharp blows. The skill is learned, not instinctive—young otters watch and copy the adults around them. Many otters even have a “favourite rock” they use again an
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Oysterous and boisterous Sea otters gobble up to 25% of their weight in tasty seafood each day, using rocks as tools to crack open tough shells. Otterly shellfish behavior! | Oregon Zoo
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