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butterflies

A peacock butterfly in Hurworth-on-Tees, England, in 2013. Peacock butterflies are one of the species the Big Butterfly Count is tracking, with the help of citizen volunteers. Chris Golightly/Flickr hide caption

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Chris Golightly/Flickr

A modern moth with a proboscis, the organ adapted for sucking up fluids such as nectar. Newly discovered fossil evidence suggests ancestors of such animals exists before flowering plants, raising questions about what ancient butterflies and moths used their tongue-like appendages for. Hossein Rajaei/Science Advances hide caption

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Hossein Rajaei/Science Advances

'Butterfly Tongues' Are More Ancient Than Flowers, Fossil Study Finds

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Thomas Gaffield (1825-1900) investigated the patterns on the wings of the butterflies (notice the bodies are missing). He was well aware that various chemical compositions in manufactured glass caused changed color overtime and suggested certain kinds of glass for the skylights in photography studios. Courtesy of Smithsonian National Museum of American History hide caption

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Courtesy of Smithsonian National Museum of American History