Table 1.

Location of study sites in Kelantan, Peninsular Malaysia.

Location	District	Coordinate	Elevation (m a.s.l)	Observation month
Gua Ikan	Dabong	5°21′12″N; 102°01′32″E	53.29	January 2020–March 2020 September 2020–December 2020 March 2021–April 2021
Gua Madu	Gua Musang	4°50′12″N; 101°56′58″E	103.03	January 2020–March 2020 March 2021
Gua Setir	Jeli	5°39′55″N; 101°55′29″E	86.29	January 2020 June 2020–October 2020 January 2021–May 2021
Gunung Reng	Jeli	5°42′53″N; 101°44′43″E	102.32	February 2020–March 2020 March 2021

Note: m a.s.l = meter above sea level.