During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Only 3% of bird species have penises.
0
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
There are approximately three chickens for every human on Earth.
13
When you shave a guinea pig it looks like a little hippo.
19