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
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Your ears secrete more earwax when you are afraid than when you aren't.
229
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
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
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Cockroaches can live for 9 days after their head has been cut off.
140