Elephants, lions, and camels roamed Alaska 12,000 years ago.
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The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon.
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Only male fireflies can fly.
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Some species of fish have voices!
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The flea can jump 350 times its body length, that is like a human jumping the length of a football field.
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A rat can go without water longer than a camel can.
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A giraffe can clean its ears with its 21-inch tongue!
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