Chapter 1: the animal with the weirdest sex life. Having sex for fun not for procreation. Some of the special male roles in mammals (that do offer paternal care): Polygynous male zebras and gorillas with harems of females. Male gibbons paired off with females as solitary couples. Saddleback tamarin monkeys: two adult male harem to one polyandrous adult female. Female barbary macaque in estrus copulates with every adult male. E(cid:454)(cid:272)eptio(cid:374): chi(cid:373)pa(cid:374)zee (cid:373)a(cid:455) go off (cid:271)(cid:455) the(cid:373)sel(cid:448)es (cid:862)(cid:272)o(cid:374)sortship(cid:863) ho(cid:449)e(cid:448)er sa(cid:373)e fe(cid:373)ale may also have public sex with other adult male. Behavioral crouching in front of an adult male and displaying the vagina. Less attractive in other days because of the lack of the arousing signals and will rebuff the advances of any male. A species is considered semelparous if it is characterized by a single reproductive episode before death, and iteroparous if it is characterized by multiple reproductive cycles over the course of its lifetime.