In mammals, the most common sexual practice of vaginal intercourse - usually in the a-tergo or "missionary position". And oral contact with the genitals and the anus of the partner and homosexual practices occur.

As in humans, sex by decoupling the reproductive one's own meaning and purpose holds, developed this great variety of sexual practices that are both an expression of his creativity and the joy of physical interaction, on the other hand, also have very practical considerations, such as when heterosexual anal intercourse Contraception was practiced frequently - even if this is a very insecure practice.