Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Denmark has twice as many pigs as there are people.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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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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The largest breed of rabbit is the Flemish Giant.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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