A lion in the wild usually makes no more than twenty kills a year.
186
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Cows can sleep standing up, but they can only dream lying down.
745
Dogs have been man's pet for over 14,000 years.
224
Whales and dolphins can't taste anything other than salt.
11