Sloths take two weeks to digest their food.
243
The head of a jellyfish is called the "Bell."
6
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8