Berman, Laura Marie http://orcid.org/0000-0002-4080-2361
Tan, Wei Xuan http://orcid.org/0000-0003-3974-7497
Grafe, Ulmar http://orcid.org/0000-0002-4468-7954
Rheindt, Frank http://orcid.org/0000-0001-8946-7085
Funding for this research was provided by:
Wildlife Reserves Singapore Conservation Fund
Article History
Received: 30 March 2023
Revised: 12 January 2024
Accepted: 20 February 2024
First Online: 14 March 2024
Declarations
: <b>Ethical approval</b>Audio equipment was deployed under Singapore National Parks Board permit number NP/RP19-113. All work done in association with this manuscript complies with the current laws of the countries in which it was performed.
: The authors declare that they have no competing interests to disclose.