Begging the question: Are offspring solicitation behaviours signals of needs

被引:408
作者
Kilner, R
Johnstone, RA
机构
[1] Dept. of Zoology, University of Cambridge, Cambridge, CB2 3EJ, Downing Street
关键词
D O I
10.1016/S0169-5347(96)10061-6
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Throughout the animal kingdom, distinctive begging behaviour by offspring commonly precedes and accompanies their provisioning by parents. Here, we assess empirical support for the recent theory that begging advertises offspring need, that parents provision young in relation to begging intensity, and that the apparently costly nature of begging ensures the reliability of the signal. While there is some support for the predictions of honest signalling models, empirical work has also revealed a host of complexities (such as the use of multiple signals) that existing theoretical analyses have only begun to address.
引用
收藏
页码:11 / 15
页数:5
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