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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Bats sleep 18-20 hours per day.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Sharks, like other fish, have their reproductive organs in their chests.
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There's a rare breed of pig that looks like a sheep.
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