In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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Lurch, a Watusi bull, had the largest horns in the world.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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The cat brain weighs about 30g.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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