| The female salamander inseminates herself. At mating time, the male deposits a conical mass of a jellylike substance containing the sperm. The female draws the jelly into herself, and in so doing, fertilizes her eggs. |
| One of the reasons male deer rub their antlers on a tree or the ground is to masturbate |
| The male fox will mate for life, and if the female dies, he remains single for the rest of his life. However, if the male dies, the female will hook up with a new mate. |
| In the animal kingdom, chimpanzees hold the record for the fastest quickies. Sexual intercourse can last as little as three seconds. |
| Male cats have barbs on their genitals, which cause the females to cry out in pain on withdrawal. |
| The octopus' testicles are located in its head. |
| Mosquitoes perform a sex act that lasts only 2 seconds. |
| Valentine's Day was originally associated with the mating season of birds. |
| Male bats have the highest rate of homosexuality of any mammal. |
| A pig's orgasm can last up to 30 minutes. |