SEXUAL DIMORPHISM IN THE LEKKING GREAT SNIPE

被引:18
|
作者
HOGLUND, J
KALAS, JA
LOFALDLI, L
机构
[1] NORWEGIAN INST NAT RES, N-7004 TRONDHEIM, NORWAY
[2] DIRECTORATE NAT MANAGEMENT, N-7004 TRONDHEIM, NORWAY
来源
ORNIS SCANDINAVICA | 1990年 / 21卷 / 01期
关键词
D O I
10.2307/3676372
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Lekking Gallinago media exhibit no or reversed dimorphism. Females are significantly larger than males for body mass and length of tarsus, wing, bill and bill plus head. Males both have more tail feathers with >50% white and larger areas which are completely white. Constraints on sexual selection set by natural selection, phylogenetic effects and sexual selection working on traits other than the ones under study (eg acoustic cues) may explain why great snipe do not show more striking differences in size and plumage characters. -from Authors
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页码:1 / 6
页数:6
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