When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Cows can sleep standing up, but they can only dream lying down.
745
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A giraffe's kick is so powerful that it can decapitate a lion.
216