http://reply.papertrans.cn/3/239/23829/23829-21.png
Submitted on: 29 August 2003.
Revised on: 26 September 2003.
Accepted on: 13 October 2003.
Ornithology Research---SPRINGERNATURE
Submitted on: 17 October 2000.
Revised on: 28 November 2000.
Accepted on: 21 December 2000.
Ornithology Research
Submitted on: 29 July 2005.
Revised on: 12 August 2005.
Accepted on: 27 August 2005.
Ornithology Research---SPRINGERNATURE
http://reply.papertrans.cn/3/239/23829/23829-25.png
http://reply.papertrans.cn/3/239/23829/23829-26.png
Submitted on: 13 October 2023.
Revised on: 14 November 2023.
Accepted on: 29 November 2023.
Ornithology Research---SPRINGERNATURE
Submitted on: 29 October 2021.
Revised on: 14 November 2021.
Accepted on: 30 November 2021.
Ornithology Research
http://reply.papertrans.cn/3/239/23829/23829-29.png
Submitted on: 11 April 2011.
Revised on: 15 May 2011.
Accepted on: 31 May 2011.
Ornithology Research---SPRINGERNATURE