The population of the eastern monarch butterflies in Mexico doubled this past winter season, according to a WWF survey.

The number of monarch butterflies overwintering this year in Mexico has nearly doubled, according to the 2025 annual census.

The eastern monarch butterfly population nearly doubled in 2025, but the numbers remain far below the long-term average.

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

The monarch butterfly population has rebounded from a near record low number in 2024, according to the latest annual survey ...

This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

National Plant a Flower Day is all about celebrating the beauty of flowers. Planting them can also help save pollinators like ...

Particularly when rural communities in Mexico have the lowest levels of domestic sewage treatment ... Copalita and other places along the Oaxaca coast. At the same time, the WWF-FGRA alliance started ...

The areas that have been set aside for the butterflies also help protect water quality in the region, the WWF reported. Over six million people in Mexico City and its surroundings rely on the ...

Paid and presented by FGRA. Find out more about their project partner WWF Mexico here. A healthy river basin can ensure the long-term protection of communities, natural systems and biodiversity.