Events & Classes

All events are free and begin at the Visitor Center unless otherwise indicated.

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Monarch butterflies overwintering at Cerro Pelon Sanctuary, Mexico.

Monarch Winter 2022–2023 Population Numbers Released

On March 21, 2023, the World Wildlife Fund-Telmex Telcel Foundation Alliance (WWF) and the National Commission of Protected Natural Areas in Mexico (CONANP), released data from the winter 2022–23 monarch butterfly population counts. At the wintering sites in central Mexico, monarch population size is compared from year…

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