Domestic pigs average a top speed of about 11 miles per hour.
182
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Bats sleep 18-20 hours per day.
5
The reindeer is the only mammal that can see UV light.
17
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6