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 domestic cat can sprint at about 31 miles per hour.
274
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The cat brain weighs about 30g.
167
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4