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Science
fromABC7 San Francisco
2 days ago

Tiny tracker following monarch butterflies during California migration

Solar-powered micro radio tags reveal detailed monarch migration movements, showing wind-driven northward displacement and delays while populations decline by roughly 80%.
fromwww.mercurynews.com
1 week ago

Local butterfly trackers hope bluetooth tech can unlock secrets of monarch migration

For the first time in California, citizen scientists like Hernandez can join the effort to track monarch butterflies thanks to Blu+, a new generation of ultra-light tags that communicate using Bluetooth technology. Through the Project Monarch app, available for iPhone or Android, anyone with a smartphone can assist researchers in monitoring migration patterns by scanning their surroundings. If a Blu+ tagged butterfly flutters within a 100-yard range, the phone detects the signal and uploads data to a central database.
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