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
The largest earthworm on record was found in South Africa and measured 22 feet.
151
A dairy cow can produce more milk when listening to music.
446
The cat brain weighs about 30g.
167
Squirrels forget where they hide about half of their nuts.
698
Dolphins have names for one another.
18