Mosquitoes don't just bite you, they also pee on you.
11
Cockroaches can live for 9 days after their head has been cut off.
140
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
Most of the dust underneath your bed is actually your own dead skin.
251
The Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
6