15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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There's a rare breed of pig that looks like a sheep.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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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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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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Whales and dolphins can't taste anything other than salt.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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