Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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Whales and dolphins can't taste anything other than salt.
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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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Cats sleep for 70% of their lives.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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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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