Sexual swellings advertise female quality in wild baboons

We show that sexual swellings in wild baboons reliably advertise a female's reproductive value over her lifetime, in accordance with a theoretical model of honest signalling7

Leah G. Domb; Mark Pagel


Scholarcy highlights

  • The females of many Old World primate species produce prominent and conspicuous swellings of the perineal skin around the time of ovulation
  • Collins for providing access to the reproductive histories of the females in this study; the Government of Tanzania for permission to carry out this study; K
  • A. Collins for assistance in data collection at Gombe National Park

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