Growth and ontogeny of sexual size dimorphism in the mandrill (Mandrillus sphinx).

  title={Growth and ontogeny of sexual size dimorphism in the mandrill (Mandrillus sphinx).},
  author={Joanna M. Setchell and Phyllis C Lee and Elisabeth Jean Wickings and Alan F. Dixson},
  journal={American journal of physical anthropology},
  volume={115 4},
We present body mass (N = 419) and crown-rump length (CRL, N = 210) measurements from 38 male and 49 female mandrills born into a semifree-ranging colony in order to describe growth from birth to adulthood, and to investigate maternal influences upon growth. Adult male mandrills are 3.4 times the body mass, and 1.3 times the CRL, of adult females. Body mass dimorphism arises from a combination of sex differences in length of the growth period (females attain adult body mass at 7 years, males at… CONTINUE READING

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