Insect orientation to polarized moonlight
Insect orientation to polarized moonlight
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DOI:
10.1038/424033a
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发表时间:
2003-07-03
期刊:
影响因子:
64.8
通讯作者:
Warrant, EJ
中科院分区:
文献类型:
--
作者:
Dacke, M;Nilsson, DE;Warrant, EJ
Moonlight, like sunlight, scatters when it strikes tiny particles in the atmosphere, giving rise to celestial polarization patterns. Here we show that an African dung beetle,Scarabaeus zambesianus,uses the polarization of a moonlit sky to orientate itself so that it can move along a straight line. Many creatures use the Sun's light-polarization pattern to orientate themselves,, butS. zambesianusis the first animal known to use the million-times dimmer polarization of moonlight for this purpose.