Funding for this research was provided by:
National Research Foundation of Korea (2012R1A6A3A04040003, 2017R1D1A1B03030329)
Received: 9 March 2020
Accepted: 15 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: Lesser cuckoos were captured with permits by the local governments and the cultural heritage administrations of Korea, and the fieldwork procedures conformed to the national law of Korea and the guidelines of the Kyung Hee University Animal Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.