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Butterflies navigate with the help of sun-Is it true?

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Butterflies navigate with the help of sun-Is it true?

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  1. They see polarized light and therefore can orient themselves even in cloudy conditions.the irridescent butterfly scales are visually stunning strutures that reflect highly saturated colour. they also create an array of-chromatic optical phenomena, such as polarization, polarization mixing and highly directional flashes.


  2. yes, apparently so:http://jeb.biologists.org/cgi/content/ab...

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