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Authors
Weerasekara, Lakshani S. https://orcid.org/0000-0002-6125-945X
Wijesooriya, Kumudu
Huffman, Michael A.
Ranawana, Kithsiri B.
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Funding
Funding for this research was provided by:
Idea Wild (501c(3))
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Article History
Received: 30 May 2024
Revised: 4 November 2025
Accepted: 5 November 2025
First Online: 26 January 2026
Declarations
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: The authors declare that they have no conflicts of interest.
: Permission from the University Administration, University of Peradeniya, Sri Lanka was obtained and there was no collection of samples. The study mainly relied on non-invasive behavioral observations and adhered to the principles outlined in the Code of Best Practices for Field Primatology by the American Society of Primatologists.
: Not applicable.
: Not applicable.
: Not applicable.
