A Butterfly Map Of America's Green Space

Tracking butterfly types and numbers across time and space can provide early environmental warnings.

"Butterflies are good environmental indicators, biologists say. Tracking the types and numbers of butterfly species across time and space can provide early warnings when something is amiss. That's why Jacqueline Miller, cocurator of the museum's McGuire Center for Lepidoptera and Biodiversity, is using its more than 3.5 million specimens to create a detailed national butterfly database."

Thanks to Chris Steins

Full Story: A butterfly map of America's green space

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