There are more than one million animal species on Earth!
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Roosters can't crow if they can't fully extend their necks.
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There is a tiger named Kenny who is the only known tiger to have downs syndrome.
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A 42-foot sperm whale has about 7 tons of oil in it.
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Woodpecker scalps, porpoise teeth and giraffe tails have all been used as money.
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A blue whale's heart is the size of a Volkswagen Beetle!
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Some ribbon worms will eat themselves if they cant find any food!
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