Object Manipulation and Tool Use in Nicobar Long-Tailed Macaques ( Macaca fascicularis umbrosus )
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Object Manipulation and Tool Use in Nicobar Long-Tailed Macaques (Macaca fascicularis umbrosus) Jayashree Mazumder 1
& Stefano
S. K. Kaburu 2
Received: 10 June 2019 / Accepted: 31 January 2020/ # Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Object manipulation and tool use by nonhuman primates have received considerable attention from primatologists and anthropologists, because of their broad implications for understanding the evolution of tool use in humans. To date, however, most of the studies on this topic have focused on apes, given their close evolutionary relationship with humans. In contrast, fewer studies on tool use and object manipulation have been conducted on monkeys. Documenting and studying object manipulation and tool use in species that are more distantly related to humans can provide a broader perspective on the evolutionary origins of this behavior. We present a detailed description of tool-aided behaviors and object manipulation by Nicobar long-tailed macaques (Macaca fascicularis umbrosus) living along the coastlines of Great Nicobar Island. We made observations from December 2018 to March 2019, using ad libitum and focal sampling methods. We observed behaviors related to object manipulation and tool use in six different behavioral contexts (foraging, hygiene, communication, play, self-directed and self-hygiene behavior) involving eight different types of objects: resonance rod, play object, rolling platform, scraping tool, dental groom, pounding substrate, leaves as grip pads and wipers, and stimulation tool. We observed that males were involved in tool use and object manipulation more frequently than females. Our results add to existing records of object manipulation, tool-use behavior, and tool variants displayed by nonhuman primates, showing that Nicobar macaques perform multiple and diverse tool-aided behaviors.
Handling Editor: Joanna M. Setchell Electronic supplementary material The online version of this article (https://doi.org/10.1007/s10764-02000141-y) contains supplementary material, which is available to authorized users.
* Jayashree Mazumder [email protected]
1
Humanities and Social Science Department, Indian Institute of Science Education and Research (IISER), Mohali, India
2
Department of Biomedical Science & Physiology, Faculty of Science & Engineering, University of Wolverhampton, Wolverhampton, UK
Mazumder J., Kaburu S.S.K.
Keywords Behavior plasticity . Forage . Great Nicobar Island . Play . Self-directed . Self-
hygiene . Sex bias
Introduction Tool use is commonly defined as the use of a freely movable object (the “tool”) with the goal of either altering the environment, another object, or organism, or mediating the flow of information between the user and the environment or between the user and other organisms (Beck 1980; Shumaker et al. 2011; St Amant and Horton 2008). Tool use by nonhuman primates has received a great deal of attention because of the close evolutionary relationship with humans (Haslam et al.
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