Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Rattlesnake mating sessions have been known to last more than 22 hours.
232
Nicole Kidman is scared of butterflies.
65
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
The Basenji dog is the only dog that is not able to bark.
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