Introducing three new males into a captive lion-tailed macaque (Macaca silenus) group

Authors

  • Rebecca Newman University College Cork, Ireland
  • Sean McKeown Fota Wildlife Park
  • Teresa Power Fota Wildlife Park
  • Thomas Quirke School of Biological, Earth and Environmental Sciences/Environmental Research Institute, University College Cork
  • Ruth M O'Riordan School of Biological, Earth and Environmental Sciences/Environmental Research Institute, University College Cork

DOI:

https://doi.org/10.19227/jzar.v8i3.396

Keywords:

aggresssion, enclosure design, intragroup interaction, zoo

Abstract

The introduction of an unfamiliar animal to a new individual or group can be highly stressful for any animal. Various studies have tried to determine the best method for introducing unfamiliar animals to each other, but many disagree on the most appropriate method of introduction. In this study, three new male lion-tailed macaques Macaca silenus, were introduced to the resident group in Fota Wildlife Park. The introduction method here was slow, with controlled contact between the new males and resident group over a period of 17 months. Behavioural data were collected using scan and focal sampling to observe the differences in the behaviour of the existing group before and after the introduction of these new males and during the different types of contact (‘outside pen’, ‘indoor house’, ‘split group’ and ‘mixed’). Data were analysed using randomisation and a likelihood-ratio G-test. Active behaviours increased in the first 3 months following the introduction of the new males, while self-directed behaviours decreased overall. Aggression was observed most frequently in the first three months after introduction of the new males, during the ‘outside pen’ period of contact. By September 2018, there was one successful birth within the group, one of the two surviving males was fully integrated into the group, and with the integration of the second male looking promising, overall this indicates a positive introduction and integration.

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Published

31-07-2020

How to Cite

Newman, R., McKeown, S., Power, T., Quirke, T., & O'Riordan, R. M. (2020). Introducing three new males into a captive lion-tailed macaque (Macaca silenus) group. Journal of Zoo and Aquarium Research, 8(3), 212–217. https://doi.org/10.19227/jzar.v8i3.396

Issue

Section

Evidence Based Practice

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