Scientists Discover Butterflies Originated in America 100 Million Years Ago When Upstart Moths Wanted to Bask in the Sun

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Scientists completed a vast evolutionary jigsaw puzzle in 4D—and they discovered that butterflies originated in America around 100 million years ago.

They determined that it was a group of “trendsetting” moths that started flying during the day rather than at night, taking advantage of nectar-rich flowers that had co-evolved with bees.

That single event led to the evolution of all butterflies, and now scientists have discovered where they first originated and which plants they relied on for food.

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