In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Bats sleep 18-20 hours per day.
5
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Dogs have been man's pet for over 14,000 years.
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