First migrating monarchs are spotted in Coahuila

Mexico has witnessed the arrival of the first migrating monarch butterflies in Coahuila state, marking the commencement of their annual journey south from Canada. The Mexican NGO Profauna confirmed this significant milestone, stating, "We can now officially say that the migration is here." These delicate creatures embark on a treacherous trek each year, traveling from the Canadian Prairies through the United States, and finally reaching their winter sanctuary in Mexico's pine forests.

The monarch butterflies' migration period typically begins in late August, with the new generations of butterflies then migrating northwards to Canada for spring and summer breeding. Recent sightings have been primarily concentrated in the cities of Acuña, Múzquiz, Monclova, and Cuatro Ciénegas in Coahuila, and experts anticipate an increase in sightings in the days to come.

In a conservation effort, two dozen monarch butterflies were tagged with radio transmitters in Winnipeg, Canada, prior to the commencement of this year's migration. Laura Burns, Conservation Program Manager at the Assiniboine Park Zoo in Winnipeg, remarked on one tagged butterfly, "She’s done about 2,300 kilometers in about 40 days," emphasizing the remarkable journey undertaken by these butterflies.

To aid in the conservation of this endangered species, Profauna has encouraged the public to share photos and reports of the monarch butterflies to help map their flight routes and identify resting and feeding sites along their path through Coahuila. The eastern monarch population has declined drastically in recent decades, with estimates suggesting an 80% to 90% reduction since the 1990s.

However, in spring this year, the number of butterflies in central Mexico reached a record high of 64% compared to the previous season, according to data from Mexico's Ministry of Environment and Natural Resources (Semarnat) and the World Wildlife Fund (WWF).