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Submitted on: 06 July 2007.
Revised on: 09 October 2007.
Accepted on: 29 November 2007.
___________________JOURNAL OF ETHOLOGY---SPRINGER JAPAN KK
Submitted on: 18 July 2022.
Revised on: 10 August 2022.
Accepted on: 15 September 2022.
___________________JOURNAL OF ETHOLOGY---SPRINGER JAPAN KK
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Submitted on: 26 October 2017.
Revised on: 02 February 2018.
Accepted on: 11 March 2018.
___________________JOURNAL OF ETHOLOGY---SPRINGER JAPAN KK
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