Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Alligators can live up to 100 years.
337
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Tigers can see 6 times better at night than humans.
305
A cow produces around 200,000 glasses of milk in her lifetime.
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