Female rhesus macaques discriminate unfamiliar paternal sisters in playback experiments: support for acoustic phenotype matching.

Abstract excerpt

Widespread evidence exists that when relatives live together, kinship plays a central role in shaping the evolution of social behaviour. Previous studies showed that female rhesus macaques (Macaca mulatta) recognize familiar maternal kin using vocal cues. Recognizing paternal kin might, however, be more difficult as rhesus females mate promiscuously during the possible conception period, most probably concealing...

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