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
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Whales and dolphins can't taste anything other than salt.
11
There's a rare breed of pig that looks like a sheep.
14
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492