Migration of the Monarch Butterfly
Prior to 1976 the complete migration of the Monarch Butterfly was pretty much a mystery to entomologist. Thanks to the efforts of Fred Urquhart, who graduated from the University of Toronto in 1935, the overwintering migration was investigated. He and his wife along with other volunteers tagged, researched and raised hundreds of thousands of butterflies over a period of 38 years; leading to the discovery of their migration from as far north as southern Canada all the way to their overwintering locations in Mexico. They also discovered the full life cycle of these remarkable insects.
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