A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Vanilla flavoring is sometimes made with an ingredient from beaver pee.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
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Cats recognise the voice of their owner, but never evolved to care.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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The colossal squid has the largest eyes in the world.
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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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