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
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
The oldest recorded elephant lived for 82 years.
213