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Chacma baboons mating at Cape Point in South Africa. Baboon mating behavior varies greatly depending on the social structure of the troop. In the mixed groups of savanna baboons, each male can mate with any female. The mating order among the males depends partially on their social ranking, and fights between males are not unusual.
In baboons, the more mature and dominant males mate most repetitively with the most receptive females at peak swelling. Young males get access to mate, though much less frequently, and only within the confines of female baboon mating strategy, which advantages non-conceptive mounting as a defense against them.
The chacma baboon (Papio ursinus), also known as the Cape baboon, is, like all other baboons, from the Old World monkey family. It is one of the largest of all monkeys. Located primarily in southern Africa, the chacma baboon has a wide variety of social behaviours, including a dominance hierarchy, collective foraging, adoption of young by females, and friendship pai
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From there, it is in the best interest of the female to mate, and as quickly as possible, to avoid being eaten by predators. Typical mating positions of water striders have the females on the bottom, closer to predators, so the risk of predation is much higher for them. Females succumb to copulation to get males to cease signaling to predators.
An olive baboon transitioning from walking on four legs to two at the primatology station of the CNRS, in France (Gilles Berillon/Francois Druelle/Journal of Experimental Biology)
Extant primates exhibit a broad range of variation in sexual size dimorphism (SSD), or sexual divergence in body size. [4] It ranges from species such as gibbons and strepsirrhines (including Madagascar's lemurs) in which males and females have almost the same body sizes to species such as chimpanzees and bonobos in which males' body sizes are larger than females' body sizes.
The olive baboon (Papio anubis), also called the Anubis baboon, is a member of the family Cercopithecidae Old World monkeys. The species is the most wide-ranging of all baboons , [ 3 ] being native to 25 countries throughout Africa , extending from Mali eastward to Ethiopia [ 4 ] and Tanzania .