Ornithology - The purple patch

被引：22

作者：

Guilford, T ^{[1
]}

Harvey, PH ^{[1
]}

机构：

[1] Univ Oxford, Dept Zool, Oxford OX1 3PS, England

来源：

NATURE | 1998年 / 392卷 / 6679期

关键词：

D O I：

10.1038/31813

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

To the human eye, the sexes of the blue titParus caeruleusare virtually indistinguishable. The results of two different groups now show that there are in fact differences in the colouring of male and female tits, but that they fall in the ultraviolet part of the colour spectrum — which the birds can see but we and other mammals cannot. Why this signalling system should have arisen and endured poses some thought-provoking questions for evolutionary biologists.

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页码：867 / +

页数：2

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