Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
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The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
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