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 giraffe's kick is so powerful that it can decapitate a lion.
216
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Ants have tiny magnetic compasses in their antennae which help them navigate.
9