A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Condoms were originally made of animal intestines or linen.
347
A dork is a whale's penis.
327
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 oldest recorded elephant lived for 82 years.
213