The elephant brain weighs about 6,000g.
274
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A cow produces around 200,000 glasses of milk in her lifetime.
373
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 group of kittens is called a "kindle".
10