Butterfly NJA017 (aka nicknamed "Wings") was tagged in Philadephia, PA. It took two weeks to fly from Raleigh, NC to Jacksonville, FL. #ProjectMonarch
Nearly real-time tracking of monarch butterflies... There's an app for that. #ProjectMonarch

A company that makes tracking devices used by #wildlife biologists has miniaturized their design. The solar powered radio tag weighs only 60 mg and is small enough to be attached to the thorax of a monarch #butterfly. They have followed 400 butterflies migrating from places like Ontario to Mexico. #ProjectMonarch

https://www.nytimes.com/2025/11/17/science/monarch-butterfly-migration-tracking-sensor.html

We Can Now Track Individual Monarch Butterflies. It’s a Revelation.

Scientists used tiny new sensors to follow the insects on journeys that take thousands of miles to their winter colonies in Mexico.

The New York Times
I spy in my system tray... #Outlook #ProjectMonarch