http://reply.papertrans.cn/2/186/18509/18509-31.png
http://reply.papertrans.cn/2/186/18509/18509-32.png
http://reply.papertrans.cn/2/186/18509/18509-33.png
Submitted on: 04 July 2023.
Revised on: 28 August 2023.
Accepted on: 09 October 2023.
___________________JOURNAL OF ORNITHOLOGY---SPRINGER HEIDELBERG
http://reply.papertrans.cn/2/186/18509/18509-35.png
http://reply.papertrans.cn/2/186/18509/18509-36.png