Bats sleep 18-20 hours per day.
5
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13