Bats sleep 18-20 hours per day.
5
The largest earthworm on record was found in South Africa and measured 22 feet.
151
There are approximately three chickens for every human on Earth.
13
The Basenji dog is the only dog that is not able to bark.
4
Mosquitoes don't just bite you, they also pee on you.
11
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
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