Monarch butterflies (IMAGE)

Duke University

Monarch butterflies

Caption

North American monarch butterflies migrate each winter to just a few mountaintops in central Mexico, with help from an internal compass that guides them home. New computer modeling research offers clues to how migrating animals get to where they need to go, even when their magnetic compass leads them astray.

Credit

Jesse Granger, Duke University

Usage Restrictions

Please credit Jesse Granger, Duke University

License

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