Cows can sleep standing up, but they can only dream lying down.
745
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Jellyfish as a species are actually older than dinosaurs and sharks.
383
A giraffe's kick is so powerful that it can decapitate a lion.
216
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10