Response to interspecific vocalizations is affected by degree of phylogenetic relatedness in Streptopelia doves

被引:68
作者
De Kort, SR [1 ]
Ten Cate, C [1 ]
机构
[1] Leiden Univ, Inst Evolut & Ecol Sci, NL-2300 RA Leiden, Netherlands
关键词
D O I
10.1006/anbe.2000.1552
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
Owing to common descent, related species often show similarity in a number of traits, including those involved in communication. As a result signal similarity and phylogenetic distance are usually inversly, related. However, similarity in signal structure need not correspond with similarity in response to such signals. We tested the hypothesis that individuals are more responsive to signals from closely related species than from distantly related ones. We conducted playback experiments on two turtle dove species (African collared-dove, Streptopelia roseogrisea, and vinaceous dove, Streptopelia vinacea) using conspecific and heterospecific vocalizations. Vocalizations were played from species that differed in degree of relatedness and in relative geographical distribution This enabled us to separate the effects of phylogeny and those of sympatry. There was an effect of phylogenetic distance, with a decrease in response to playback stimuli as phylogenetic distance increased. The results also suggest. a minor effect of sympatry, with the response to sympatric species being lower. (C) 2001 The Association for the study of Animal Behaviour.
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页码:239 / 247
页数:9
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