3-D Film Tracks Butterflies’ Journey0
- Entertainment, Books & Humor
- October 18, 2012
In the mid-’70s, Canadian zoologist Fred Urquhart recruited thousands of volunteers to help tag and track the movements of butterflies by applying tags to their wings. “Butterflies in 3D,” screening now at the Smithsonian’s National Museum of Natural History, tells the story of Urquhart’s 40-year effort to map the winter migration of monarch butterflies across
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