Funding for this research was provided by:
National Natural Science Foundation of China (31970421, 31472011, 31101644)
Received: 13 July 2020
Accepted: 30 July 2020
First Online: 3 August 2020
Ethics approval and consent to participate
: Our study was carried out in agreement with the Law of the People’s Republic of China on the Protection of Wildlife and was approved by the Administrative Bureau of Dongzhai National Nature Reserve.
: Not applicable.
: The authors declare that they have no competing interests.