Infant–Nonmother Interactions of Free-Ranging Mantled Howlers (Alouatta palliata) in Costa Rica

  title={Infant–Nonmother Interactions of Free-Ranging Mantled Howlers (Alouatta palliata) in Costa Rica},
  author={Margaret R. Clarke and Kenneth E. Glander and Evan L. Zucker},
  journal={International Journal of Primatology},
Proximate and ultimate explanations of interactions between infants and nonmothers vary depending upon the relatedness of the interactors. We investigated interactions of infants and nonmothers from a 22-month continuous study and from the long-term monitoring of the mantled howler population of La Pacifica, Guanacaste Province, Costa Rica. Relatedness is low or absent in these mantled howler groups. Juvenile females appeared to practice care skills with older infants, but as most first infants… CONTINUE READING
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