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
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Poon Lim survived 133 days alone on a raft at sea by fishing, drinking bird blood, and killing a shark with a jug of water.
21
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Sniffologists have the job of sniffing armpits.
4