The Conversation

Why Monarch butterflies need a helping hand

19-02-2015 Author: The Conversation USA

Monarch butterfly, Danaus plexippus.K. P. McFarlandVermont Center for Ecostudies, www.kpmcfarland.com, Author provided

An iconic North American migration is in jeopardy. The monarch butterfly migrates back and forth from Mexico to Canada every year, its orange and black sails peppering blue skies. In the past 20 years, almost one billion monarchs...

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