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Dead Butterflies on Lakefront Part of Monarch Migration

Clip: 10/10/2019 | 5m 51sVideo has Closed Captions

What caused the death of monarch butterflies found along the lakefront.

Doug Taron, chief curator at the Peggy Notebaert Nature Museum, tells us what caused the death of monarch butterflies found along the lakefront.

10/10/2019 | Rating NR

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