Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
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In Australia, there are spiders big enough to eat snakes.
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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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