Male Takeover and Infanticide in Nilgiri Langurs Semnopithecus johnii in the Western Ghats, India

Theethira S. Kavana, Joseph J. Erinjery, Mewa Singh*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Male takeover and infanticide are a widespread phenomenon among non-human primates, observed mostly in species with a relatively longer lactation in relation to gestation. In this study, we report for the first time an episode of male takeover and infanticide, and the rarely reported occurrence of an all-male band and female dispersal, in Nilgiri langurs, Semnopithecus johnii, in the Western Ghats, India. The new male was a member of an all-male band. After the takeover, the resident male and 3 juvenile males left the group and joined the all-male band. A female whose infant was killed was found missing after some days. There were significant changes in the patterns of social interactions among the resident group females soon after the male takeover, wherein the females spent less time on social interactions as compared to before and after the episode of takeover. The new male rarely interacted with the females soon after the takeover. We also observed that the resident group shifted its home range to a poorer quality habitat.

Original languageEnglish
Pages (from-to)164-177
Number of pages14
JournalFolia Primatologica
Volume85
Issue number3
DOIs
StatePublished - Aug 2014
Externally publishedYes

Keywords

  • All-male band
  • Female dispersal
  • Infanticide
  • Male takeover
  • Nilgiri langur
  • Semnopithecus johnii

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