Wing design proves key factor in determining migration success of Monarch butterflies

Wednesday, June 4, 2014 - 12:51 in Biology & Nature

Each fall, millions of monarch butterflies make a spectacular journey from the eastern parts of North America to reach their overwintering grounds in Mexico. Researchers have long known that not all butterflies successfully reach their destination. Now scientists provide some crucial answers on what it takes for Monarchs to complete the trip. It turns out - it's all in the wings.

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