A “monarch named UB26-UT-06-Chew originated in northeast Utah on September 2 and was the first radio- tagged butterfly known to cross the U.S. border and be detected on October 11 in Santa Catarina, Nuevo León, Mexico.”
Source: https://www.fws.gov/story/2026-10/following-flight-routes-migrating-monarchs
Path video screen recorded from app: https://apps.apple.com/us/app/project-monarch-science/id6460006970
