Researchers track monarch butterflies migrating to Mexico

Summary

Researchers across North America are attaching tiny transmitters to monarch butterflies as they begin migrating to Mexico. The researchers hope to learn more about the butterflies’ stops and challenges along the way.

Timeline

1. NPR

   13 Oct 2026, 08:45 UTCSource ↗

   NPR reports that researchers across North America are attaching tiny transmitters to migrating monarch butterflies to learn about their stops and challenges.

2. NPR

   13 Oct 2026, 20:03 UTCSource ↗

   NPR reports that researchers across North America are attaching tiny transmitters to migrating monarch butterflies to learn about their stops and challenges.