A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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There are approximately three chickens for every human on Earth.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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