Here They Come! Mass departure from Mexico occurred this week and 1st arrivals were reported across Texas and beyond. Spring migration is officially underway! More...
"As I drove up the mountain, around noon time, the hurried flying of hundreds and hundreds of monarchs streaming down from El Rosario and flying north, was not to believe!" wrote Estela on March 19, 2017.
Report Your Sightings and Track Migration
Report your sightings each fall and spring as the monarchs travel to and from Mexico.
Track migration on real-time migration maps. Help scientists learn more about monarchs.