When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The elephant brain weighs about 6,000g.
274
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12