Some tropical butterflies live surprisingly long lives. Is it their high-protein diet?

By Jayme Lewthwaite, Postdoctoral Fellow, Entomology, Carleton University
Arne Mooers, Professor, Biodiversity, Phylogeny & Evolution, Simon Fraser University

Butterflies are charismatic, colourful and cherished around the world. One of the most diverse groups of insects, with more than 19,000 described species, they inspire international organizations such as the North American Butterfly Association and the Xerces Society, as well as countless websites devoted to their identification, monitoring…

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