Song activity in the chiffchaff: Territorial defence or mate guarding?

被引:36
作者
Rodrigues, M
机构
[1] Edward Grey Institute of Field Ornithology, Department of Zoology
[2] Edward Grey Institute of Field Ornithology, Department of Zoology, Oxford OX1 3PS, South Parks Road
关键词
D O I
10.1006/anbe.1996.0074
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
It has been suggested that males of passerine bird species sing most actively during the fertile period of their mates partly as a paternity guard strategy and partly to maximize their own extra-pair copulation success. This investigation considers whether song is used as a paternity guard strategy in the chiffchaff, Phylloscopus collybita. The study was carried out in south-eastern England (Wytham Woods, Oxford) during 1993 and 1994. Song rate was calculated as the proportion of a 5-min period a bird spent singing, sampled either at dawn or at noon. Male chiffchaffs did not sing more during the fertile period of their females contradicting the paternity guard hypothesis. During the fertile period, song rate decreased when the female was present, suggesting that males sing to contact their mates. It is suggested that after the fertile period song is used to proclaim an established territory to the neighbours. This might also allow the male to re-mate quickly following nest predation or following female desertion or predation, while minimizing expensive territorial fights. (C) 1996 The Association for the Study of Animal Behaviour.
引用
收藏
页码:709 / 716
页数:8
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