Monarch butterfly population in Mexico rebounds. Mexico’s overwintering monarch population grew 64% this winter, with butterflies covering their largest area of forest since 2018. The recovery remains fragile, but suggests there’s been a positive impact from conservation efforts in the butterflies’ core habitat, where forest loss has fallen from nearly 500 hectares in 2003–04 to just under 3 hectares in 2024–25. The Guardian https://www.theguardian.com/world/2026/mar/20/mexico-monarch-butterfly-population-increases
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Mexico’s monarch butterfly population jumps 64%, offering hope for at-risk species

The insects covered its largest area since 2018, despite threats from habitat loss, climate crisis and pesticides

The Guardian
@adapalmer wait, Mexico is doing something that we appear unable to do?
@adapalmer
This is great news.
It is also true that there are two Monarch populations. The East of the Rockies population winters in Mexico. The West of the Rockies population is at historic lows. 😞