Origins: the claim that is above around an extremely particular concept of “sex for pleasure,” which in this instance is copulation involving the male and feminine of a species where such task is totally divided through the intent behind fertilization. That is, in mere a few animal types other than humans will men and females willingly (and frequently) participate in intercourse with one another even if there isn’t any possibility that offspring shall be produced because of this. (Note that this definition particularly excludes homosexual and activity that is masturbatory as neither of the categories involves male-female pairings.)
Females of many animal types produce detectable signals if they are fertile: a big change in look, a unique odor, the creation of specific noises, or specific signaling behaviors. They are doing this must be amount of facets makes doing intercourse a pricey and proposition that is risky
- Males have to expend energy that is precious create sperm, search for potential mates, attract females, protect against rivals, and finish the mating procedure.
The mating procedure does take time far from other activities that are vital such as for example looking for food or taking care of past offspring.
Mating pairs are susceptible to strike from predators or enemies.