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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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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Cats recognise the voice of their owner, but never evolved to care.
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Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
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A giraffe's kick is so powerful that it can decapitate a lion.
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Lurch, a Watusi bull, had the largest horns in the world.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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