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The invaluable journey of monarch butterflies to Mexico

 11/30/2018 - 11:25
MICHOACAN (MEXICO). Courtesy photograph of the World Wildlife Fund (WWF) and taken on Nov. 25, 2018. Fleeing the frosts of Canada and the United States, monarch butterflies each year travel 4,200 km (some 2,600 mi.) to reach the forests of Mexico, pollinating millions of flowers along the way. EPA/EFE/Enrique Corte/WWF
Kylie Scheidlmeier

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