Within three days of death, the enzymes that once digested your food begin to eat you.
22
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
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Condoms were originally made of animal intestines or linen.
347