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Submitted on: 10 February 2013.
Revised on: 03 April 2013.
Accepted on: 28 April 2013.
___________________JOURNAL OF ORNITHOLOGY---SPRINGER HEIDELBERG
Submitted on: 27 March 2007.
Revised on: 15 May 2007.
Accepted on: 27 June 2007.
___________________JOURNAL OF ORNITHOLOGY---SPRINGER HEIDELBERG
Submitted on: 11 January 2007.
Revised on: 24 March 2007.
Accepted on: 16 April 2007.
___________________JOURNAL OF ORNITHOLOGY---SPRINGER HEIDELBERG
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Submitted on: 17 September 2011.
Revised on: 06 December 2011.
Accepted on: 29 December 2011.
___________________JOURNAL OF ORNITHOLOGY---SPRINGER HEIDELBERG
Submitted on: 17 December 1998.
Revised on: 24 January 1999.
Accepted on: 11 March 1999.
___________________JOURNAL OF ORNITHOLOGY---SPRINGER HEIDELBERG
Submitted on: 28 November 2014.
Revised on: 17 February 2015.
Accepted on: 24 March 2015.
___________________JOURNAL OF ORNITHOLOGY---SPRINGER HEIDELBERG