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
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Condoms were originally made of animal intestines or linen.
347
In 1386, a pig in France was executed by public hanging for the murder of a child.
469