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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The Basenji dog is the only dog that is not able to bark.
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A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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Gorillas can catch human colds and other illnesses.
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Early American humans hunted car-size armadillos and used their shells for houses.
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