The octopus does not have a blind spot.
273
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Dogs have been man's pet for over 14,000 years.
224