Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
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
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A 42-foot sperm whale has about 7 tons of oil in it.
209