Stallions have penises 2 1/2 feet long.
 | Lizards have two penises, one on each side of their bodies. |
| The tapeworm has over 22,000 different sex organs. |
| Earthworms are considered a hermaphrodite species. They have a penis and a vagina. |
| The average chimpanzee has a 3-inch penis. They are able to perform fellatio on themselves. |
| A kangaroo has a double headed penis designed to match the double-horned vagina of the female. |
| Bulls have penises 3 feet in length. The penises from dead bulls are often used as riding crops and whips. |
| The male snowshoe hare's penis turns white in winter and is red during breeding season. |
| Male orangutans have penises around 1 1/2 inches. They copulate while hanging upside down from trees. |
| The tiger has an 11-inch penis. The male tiger masturbates using his paws. |
| Platypus are known for their 2 3/4 inch penises; they have several pointed spines that point backwards. |
| The class of animals known as cetaceans, which include dolphins and whales, have the largest penises among animals. |
