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
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
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