National Wildlife Federation scientists are using solar-powered radio tags on nearly 1,750 monarch butterflies to track their migration routes across North America

ScienceNov 6 at 3:30 AM – Nov 6 at 8:47 AM6 outletsUnited States

Boston Herald

Monarch butterflies get tiny trackers to help scientists follow their mysterious migration Nov 6 at 3:30 AM

Hartford Courant

Monarch butterflies get tiny trackers to help scientists follow their mysterious migration Nov 6 at 3:30 AM

Orlando Sentinel

Monarch butterflies get tiny trackers to help scientists follow their mysterious migration Nov 6 at 3:30 AM

South Florida Sun Sentinel

Monarch butterflies get tiny trackers to help scientists follow their mysterious migration Nov 6 at 3:30 AM

The Mercury News

Monarch butterflies get tiny trackers to help scientists follow their mysterious migration Nov 6 at 12:30 AM

The San Diego Union-Tribune

Monarch butterflies get tiny trackers to help scientists follow their mysterious migration Nov 6 at 12:30 AM