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Keywords:

  • tamarins;
  • Saguinus fuscicollis;
  • infanticide;
  • polygyny

Abstract

An infanticide was observed in a group of wild saddle-back tamarins, Saguinus fuscicollis. The newborn singleton was killed by its mother after it had fallen from the carrier several times. This infanticide may represent a case of parental manipulation: the mother terminated investment in an offspring that probably had a low chance of survival. Also, stress associated with the simultaneous pregnancy of another adult female in the group may have played a role. Am. J. Primatol. 50:153–157, 2000. © 2000 Wiley-Liss, Inc.