Web4 jun. 2012 · In some contexts, the most valuable role for male investment will be to help prevent infanticide during the period of infant vulnerability; in these contexts, the best option for females might be to confuse paternity, thereby increasing the number of males that are motivated to defend an infant. WebMale infanticide is almost invariably associated with the disappearance or disabling of protective males, because of take-overs by outsiders or dominance upheavals inside groups, and can be provoked reliably by experimentally removing the dominant adult male (Angst & Thommen 1977; Hrdy et al. 1995; Steenbeek 1997; Sugiyama 1967).
Primate males : causes and consequences of variation in group ...
WebMany primates practice infanticide including chimpanzees, gorillas, baboons and langurs while others do not, including orangutans, bonobos and mouse lemurs. The researchers … Web18 jul. 2024 · From this research, it can be concluded that the aim of males that invade langur groups was to monopolize all adult males. The primary incentive of infanticide was the resistance of mothers to accepting the takeover, while those who agreed with it would avoid their infants being killed. In terms of further research, motivation analysis is ... globe telecom satellite phone
Red howler monkey - Wisconsin National Primate Research Center
WebThese juveniles were accompanied by adult, male half-brothers. In total, five cases of infanticide were observed and eight infant disappearances were documented in eight of the 15 groups invaded by males. In five other groups, infants whose age ranged from 0.2 to 8.0 mo were present at the time of invasion, but infanticide did not occur (Table 1). WebInfanticide by male primates: the sexual selection hypothesis revisited; By Carel P. van Schaik; Edited by Carel P. van Schaik, Duke University, North Carolina, Charles H. … WebYet, in several promiscuous primate societies, males seem tocare for infants despite a presumably low paternity confidence. In cercopithecines, cohesive associations (‘friendships’) between a lactating female and an adult male are frequent and provide the female and her infant with protection against various sources of aggression, including … bognor to victoria train times