When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Squirrels forget where they hide about half of their nuts.
698
Dogs have been man's pet for over 14,000 years.
224
Sheep, goats, octopuses, and toads have rectangular pupils.
7