Dominance rank, female choice, and reproductive success in semi‐free ranging adult male Japanese macaques ( Macaca fuscata )

2021 ◽  
Author(s):  
Kylen N. Gartland ◽  
Nichole Biggs ◽  
Caitlin M. Shreeve ◽  
Frances J. White
Keyword(s):  
Reproductive Success ◽  
Adult Male ◽  
Female Choice ◽  
Macaca Fuscata ◽  
Dominance Rank ◽  
Japanese Macaques ◽  
Free Ranging

scholarly journals Multimodal Advertisement of Pregnancy in Free-Ranging Female Japanese Macaques (Macaca fuscata)

PLoS ONE ◽  
2015 ◽  
Vol 10 (8) ◽  
pp. e0135127 ◽  
Author(s):  
Lucie Rigaill ◽  
Andrew J. J. MacIntosh ◽  
James P. Higham ◽  
Sandra Winters ◽  
Keiko Shimizu ◽  
...  
Keyword(s):  
Macaca Fuscata ◽  
Japanese Macaques ◽  
Female Japanese Macaques ◽  
Free Ranging

Male care in a free-ranging group of Japanese macaques (Macaca fuscata)

Primates ◽  
2021 ◽  
Author(s):  
Masayuki Nakamichi ◽  
Masataka Ueno ◽  
Kazunori Yamada
Keyword(s):  
Macaca Fuscata ◽  
Japanese Macaques ◽  
Male Care ◽  
Free Ranging

Seasonally of adult male japanese macaques (Macaca fuscata): Androgens and behavior in a confined troop

1986 ◽  
Vol 20 (4) ◽  
pp. 452-462 ◽  
Author(s):  
David C. Rostal ◽  
Barbara B. Glick ◽  
G.Gray Eaton ◽  
John A. Resko
Keyword(s):  
Adult Male ◽  
Macaca Fuscata ◽  
Japanese Macaques ◽  
And Behavior

scholarly journals Variation in intergroup encounters among two provisioned free-ranging populations of Japanese macaques Macaca fuscata

2012 ◽  
Vol 58 (4) ◽  
pp. 517-524 ◽  
Author(s):  
Peng Zhang ◽  
Kunio Watanabe
Keyword(s):  
Social Factors ◽  
Intergroup Relations ◽  
Macaca Fuscata ◽  
Japanese Macaque ◽  
Japanese Macaques ◽  
Intergroup Relationships ◽  
Specific Variation ◽  
Intergroup Encounters ◽  
Free Ranging

Abstract Typically, Japanese macaques are thought to avoid encountering other groups wherever possible. Intergroup relations between macaques on Shodoshima Island, however, appear exceptional. We show that neighboring groups of Shodoshima monkeys spent 32.8% of their active time in proximity to (<100 m) and even foraged simultaneously at the same provisioning site with another group. The average duration and rate of intergroup encounters at Shodoshima (59.8 min, 0.33 times/hour, n=269) were approximately ten times longer and 16.5 times more frequent than those at Jigokudani (6.1 min, 0.02 times/hour, n=14). Since both populations have similar provisioning and ecological conditions, such variation cannot be explained by the socioecology model alone. Compared with other populations of Japanese macaques, intergroup relations of Shodoshima monkeys are also characterized by more frequent neutral encounters, less frequent agonistic encounters, more frequent unsuccessful displacement, a lower intensity of aggression, and more frequent counter-aggression between groups. These characteristics suggest that intergroup relationships on Shodoshima Island are more tolerant than those in other Japanese macaque populations. This study reveals considerable differences in intergroup encounters within local populations of Japanese macaques living in similar environments, and emphasizes the role of social factors in such intra-specific variation.

scholarly journals Variation in Adult Male-Juvenile Affiliative Behavior in Japanese Macaques (Macaca fuscata)

2020 ◽  
Vol 91 (6) ◽  
pp. 610-621
Author(s):  
Kylen N. Gartland ◽  
Colin M. Brand ◽  
Lawrence R. Ulibarri ◽  
Frances J. White
Keyword(s):  
Adult Male ◽  
Significant Positive Correlation ◽  
Macaca Fuscata ◽  
Japanese Macaques ◽  
Primate Species ◽  
Mating Effort ◽  
Primate Research ◽  
Paternal Investment ◽  
Adult Males ◽  
Positive Correlation

Adult males of some primate species are known to positively interact with juveniles. In cases where paternal certainty is high, these behaviors have been largely attributed to the paternal investment hypothesis. Males have also been observed to interact with nonkin juveniles, which has often been explained in terms of mating effort. Here, we examined variation in adult male-juvenile affiliation in semi-free ranging Japanese macaques (<i>Macaca fuscata</i>) at the Oregon National Primate Research Center against possible influencing factors such as age, dominance rank, and female affiliation, and we also tested for fitness benefits. We conducted 154 h of focal observations of 14 adult males from June to September 2018. Males differed significantly in their rate of juvenile-directed affiliation, but not in their fitness in terms of number of offspring. There was a significant positive correlation between rank and age in the group, indicating that, in this group, rank does not conform to the classic inverted-U pattern observed elsewhere in this species. Although there was a significant positive correlation between rank and juvenile-directed affiliation, the highest-ranking male had few offspring and exhibited little juvenile-directed affiliation. These results suggest little to no preliminary support for either the paternal investment or mating effort hypotheses as explanations for juvenile-directed affiliation. This study suggests that there are multiple behavioral strategies for older males that may influence reproductive success.

scholarly journals Social grooming efficiency and techniques are influenced by manual impairment in free-ranging Japanese macaques (Macaca fuscata)

PLoS ONE ◽  
2020 ◽  
Vol 15 (2) ◽  
pp. e0228978
Author(s):  
Jenny Paola Espitia-Contreras ◽  
Linda M. Fedigan ◽  
Sarah E. Turner
Keyword(s):  
Macaca Fuscata ◽  
Japanese Macaques ◽  
Social Grooming ◽  
Free Ranging

Development of sexual and socio-sexual behaviours in free-ranging juvenile male Japanese macaques, Macaca fuscata

Behaviour ◽  
2013 ◽  
Vol 150 (11) ◽  
pp. 1225-1254 ◽  
Author(s):  
Noëlle Gunst ◽  
Jean-Baptiste Leca ◽  
Paul L. Vasey
Keyword(s):  
Macaca Fuscata ◽  
Japanese Macaques ◽  
Partner Choice ◽  
Adult Males ◽  
Cross Sectional ◽  
Sexual Behaviours ◽  
Behavioural Patterns ◽  
Juvenile Males ◽  
Free Ranging

The emergence of conceptive and non-conceptive sexual behaviours in mature individuals can be traced back to immature socio-sexual behavioural patterns. We tested the ‘needing-to-learn hypothesis’ in the development of sexual behaviours in the immature male Japanese macaques of Arashiyama, Japan. This hypothesis holds that juvenility serves to provide young individuals with a period in which to practice adult male-like sexual and socio-sexual behaviours and partner choice. Our cross-sectional focal data on mounting behaviour and partner choice in juvenile males (1–3 years) supported most of our predictions: (1) as they became older and learnt more effective patterns of sexual solicitations, juvenile males performed more demonstrative solicitations and less non-demonstrative solicitations, (2) the frequency of mounts performed by juvenile males increased with age and converged on a frequency of mounts typical of adult males, (3) the frequency of mounts reflecting underachievement (i.e., improperly oriented mounts and single/no foot-clasp mounts) decreased as juvenile males became older, (4) the double foot-clasp mounting posture became gradually more common in juvenile males over time, while other mounting postures became less common and (5) from two to three years old, the frequency of males’ sexual mounts directed to adult females increased. Such timelines of gradual increase in the frequency of effective adult-like behavioural patterns and gradual decrease in the frequency of less effective immature behavioural patterns are consistent with the ‘needing-to-learn hypothesis’ emphasizing the role of age and practice in the progressive acquisition of adult-like sexual behaviour, mounting skills, and partner age choice during male juvenility.

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