Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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In Australia, there are spiders big enough to eat snakes.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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When dragonflies mate, their tails form a love heart.
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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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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