Putting tiny backpacks on butterflies—for science
Reported byPopular Science ↗·Sourced by Goodlede
U.S. Fish & Wildlife Service and Althouse & Meade tagged monarch butterflies with solar-powered radio telemetry transmitters in three locations across San Luis Obispo and Santa Barbara Counties in November 2025, testing technology to monitor movement and migration of the species listed as endangered by the IUCN Red List in 2022.
This is an early field trial; scaling to broader monarch conservation and management decisions will depend on results.
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