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Baboon social dynamics can also vary; Robert Sapolsky reported on a troop, known as the Forest Troop, during the 1980s, which experienced significantly less aggressive social dynamics after its most aggressive males died off during a tuberculosis outbreak, leaving a skewed gender ratio of majority females and a minority of low-aggression males ...
Furthermore, it is prevalent in spider monkeys, [1] wild Barbary macaques (Macaca sylvanus) and many other primates. [11] In basically all major primate taxa, aggression is used by the dominant males when herding females and keeping them away from other males. [1] In hamadryas baboons, the males often bite the females' necks and threaten them. [12]
Unlike Hamadryas baboons and some other species, Guinea baboons are not very good climbers and favor trees, rather than high rocks or cliffs for sleeping. The more dominant males sleep on the heavier, thicker branches near the trunk of the tree and lower ranking members and juveniles sleep on the smaller and weaker branches further from the trunk.
It is the northernmost of all the baboons, being native to the Horn of Africa and the southwestern region of the Arabian Peninsula. These regions provide habitats with the advantage for this species of fewer natural predators than central or southern Africa where other baboons reside.
For example, in baboons at Amboseli, rates of fetal loss increase following the immigration of aggressive males. [30] In some social systems, lower-ranking primate females may delay reproduction to avoid infanticide by dominant females, as seen in common marmosets. In one instance, the dominant marmoset female killed the offspring of a ...
Smuts began studies of wild baboons in 1976, [5] and her observations challenged the prevailing view of male dominance. [6] Studies she made of wild olive baboons in Tanzania and Kenya inspired her 1985 book Sex and Friendship in Baboons. The book, the fruit of two years' research, showed how two different groups of the same primate interact ...
1. Cody, Wyoming. As its name suggests, Cody was founded by "Buffalo Bill" Cody himself. The discovery of oil fields and the founding of nearby Yellowstone National Park have ensured the town has ...
Founded in 1971, it is one of the longest-running studies of a wild primate in the world. Research at the Amboseli Baboon Project centers on processes at the individual, group, and population levels, and in recent years has also included other aspects of baboon biology, such as genetics, hormones, nutrition, hybridization, parasitology, and ...