Funding for this research was provided by:
National Natural Science Foundation of China (31672303)
Received: 25 August 2021
Accepted: 1 November 2021
First Online: 9 November 2021
: The experiments reported here comply with the current laws of China. Fieldwork was carried out under the permission from Kuankuoshui National Nature Reserve, China. Experimental procedures were in agreement with the Animal Research Ethics Committee of Hainan Provincial Education Centre for Ecology and Environment, Hainan Normal University (Permit No. HNECEE-2011-001).
: The authors declare that they have no competing interests.