The wings of many Morpho butterfly males, however, do not appear iridescent. Whatever the angle of view, they appear strongly bluish. The researchers therefore thought they could draw on the ...

Pastel colours in butterfly wings are caused by chemicals called pigments. They absorb certain wavelengths of light and reflect others, causing the eye to see a particular colour. Bright, iridescent ...

This orange-winged flier is a southern favorite. Discover how you can attract Gulf fritillary butterflies and their ...