Overview
- Google published a special Doodle on November 4 to honor the monarch migration and to drive awareness of habitat conservation.
- The eastern population travels thousands of kilometers from the United States and Canada to oyamel fir forests in central Mexico, with most arrivals in early November and hibernation lasting until about March 2026.
- Mexican government monitoring reported the 2024–2025 wintering area doubled from 0.90 to 1.79 hectares, a seasonal gain welcomed by officials.
- The species remains on the IUCN Red List after a 2022 endangered designation, with threats including habitat loss, pesticide use, milkweed decline and climate pressures.
- The trinational scientific alliance launched in January 2025 is coordinating long‑term monitoring and priority mapping, with initial results slated for release between November 2025 and March 2026.