A central assumption of baboon socio‐ecological models is that all populations have the
same capacity to react to different environments. The burden of our argument is that this …

This comprehensive introductory text integrates evolutionary, ecological, and demographic
perspectives with new results from field studies and contemporary noninvasive molecular …

Hamadryas baboons are known for their complex, multi‐level social structure consisting of
troops, bands, and one‐male units (OMUs)[Kummer, 1968. Social organization of …

This book describes the first field study focusing on the behavior of hamadryas females in
the wild. In its attempt to rectify the male-biased view of hamadryas baboon behavior that …

In a variety of mammals and a few birds, newly immigrated or newly dominant males are
known to attack and kill dependent infants (Hausfater & Hrdy, 1984; Parmigiani & vom Saal …

One key question in social evolution is the identification of factors that promote the formation
and maintenance of stable bonds between females and males beyond the mating context …

Previous researchers of hamadryas baboons have described a star-shaped sociogram,
whereby the strongest social bonds within hamadryas one-male units are between a leader …

Females of several species of Old World monkeys and apes exhibit enlarged perineal
swellings that include the skin of the anogenital region and rump (see Fig. 5.1). Swellings …

One of the most striking elements of hamadryas baboon social organization is the difference
in female behavior before and after a takeover, a social transition in which one “leader male” …

Male takeovers are associated with infant wounding and death in 3 of 4 capuchin species. In
this paper, I analyze the effects of male takeovers on infant mortality and the subsequent …