Flexible and conservative features of social systems in tufted capuchin monkeys: comparing the socioecology of Sapajus libidinosus and Sapajus nigritus

Autor(es)

Izar, Patricia ^[1] ; Verderane, Michele P. ^[1] ; Peternelli-Dos-Santos, Lucas ^[1] ; Mendonca-Furtado, Olivia ^[1] ; Presotto, Andrea ^[1] ; Tokuda, Marcos ^[1] ; Visalberghi, Elisabetta ^[2] ; Fragaszy, Dorothy ^[3]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Inst Psychol, Dept Expt Psychol, Sao Paulo - Brazil

^[2] CNR, Ist Sci & Tecnol Cogniz, Rome - Italy

^[3] Univ Georgia, Dept Psychol, Athens - Greece

• Tipo de documento: Artigo Científico
• Fonte: AMERICAN JOURNAL OF PRIMATOLOGY; v. 74, n. 4, p. 315-331, APR 2012.
• Citações Web of Science: 32

Resumo

Socioecological models assume that primates adapt their social behavior to ecological conditions, and predict that food availability and distribution, predation risk and risk of infanticide by males affect patterns of social organization, social structure and mating system of primates. However, adaptability and variation of social behavior may be constrained by conservative adaptations and by phylogenetic inertia. The comparative study of closely related species can help to identify the relative contribution of ecological and of genetic determinants to primate social systems. We compared ecological features and social behavior of two species of the genus Sapajus, S. nigritus in Carlos Botelho State Park, an area of Atlantic Forest in Sao Paulo state, and S. libidinosus in Fazenda Boa Vista, a semi-arid habitat in Piaui state, Brazil. S. libidinosus perceived higher predation risk and fed on clumped, high quality, and usurpable resources (fruits) all year round, whereas S. nigritus perceived lower predation risk and relied on evenly distributed, low-quality food sources (leaves) during periods of fruit shortage. As predicted by socioecology models, S. libidinosus females were philopatric and established linear and stable dominance hierarchies, coalitions, and grooming relationships. S. nigritus females competed less often, and could transfer between groups, which might explain the lack of coalitions and grooming bonds among them. Both populations presented similar group size and composition and the same polygynous mating system. The species differed from each other in accordance with differences in the characteristics of their main food sources, as predicted by socioecological models, suggesting that phylogenetic inertia does not constrain social relationships established among female Sapajus. The similarity in mating systems indicates that this element of the social system is not affected by ecological variables and thus, is a more conservative behavioral feature of the genus Sapajus. Am. J. Primatol. 74:315331, 2012. (c) 2011 Wiley Periodicals, Inc. (AU)

• Processo FAPESP: 06/56059-0 - Mapas cognitivos de primatas: análise de movimentos e rotas de Cebus apella nigritus apoiada por sistemas de informação geográfica
• Beneficiário: Patrícia Izar Mauro
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 08/55684-3 - Variabilidade de comportamento social de macacos-prego (gênero Cebus): análise comparativa entre populações para investigação de correlatos fisiológicos
• Beneficiário: Patrícia Izar Mauro
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 06/51577-2 - Socioecologia de macacos-prego (Cebus libidinosus) em área de ecótono Cerrado/Caatinga
• Beneficiário: Patrícia Izar Mauro
• Modalidade de apoio: Auxílio à Pesquisa - Regular