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Submitted on: 21 August 2000.
Revised on: 18 October 2000.
Accepted on: 31 October 2000.
___________________JOURNAL OF AVIAN BIOLOGY---WILEY
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Submitted on: 15 November 2024.
Revised on: 26 December 2024.
Accepted on: 29 January 2025.
___________________JOURNAL OF AVIAN BIOLOGY---WILEY
Submitted on: 21 April 2011.
Revised on: 02 July 2011.
Accepted on: 23 July 2011.
___________________JOURNAL OF AVIAN BIOLOGY---WILEY
Submitted on: 07 December 2016.
Revised on: 23 February 2017.
Accepted on: 06 April 2017.
___________________JOURNAL OF AVIAN BIOLOGY---WILEY
Submitted on: 16 September 2005.
Revised on: 10 November 2005.
Accepted on: 07 December 2005.
___________________JOURNAL OF AVIAN BIOLOGY---WILEY
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