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Monarch butterflies use landmarks to reach wintering sites

Last Updated: Tuesday, April 09, 2013, 14:41

Monarch butterflies fly without a map, and use basic orientation and landmarks to find their way to their wintering sites, thousands of miles away.

Butterflies with darker wings have greater ability

Last Updated: Friday, July 27, 2012, 10:24

Monarch butterflies who have dark orange wings fly further than those with light orange wings.