Cows can sleep standing up, but they can only dream lying down.
745
The largest breed of rabbit is the Flemish Giant.
65
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40