2

The man plays a brief but virtually important role in reproduction. He produces the sperm which fertilizes the egg to begin a new life.

13

When it comes to courtship, mankind has nothing on the animal kingdom.

12

Mating is the most fundamental and vital process for animals to select for their best partners. In the view of biology, mating refers to the pairing of opposite-sex for copulation (the union of the sex organs of two sexually reproducing animals for insemination and subsequent internal fertilization) in social animal to breed for their offspring.

3

When it comes to the animal kingdom, God has one heck of a sense of humor. From strange looking animals, to bizarre genitalia, these things just makes a person want to laugh. Here are the strangest facts when it comes to animal genitalia.