The Western population of the monarch butterfly ... by 2080. Habitat destruction, pesticides and extreme weather fluctuation due to climate change are to blame for the butterfly’s decline.

New data detailing the abundance of the eastern monarch butterfly colonies wintering in central Mexico’s forests estimate that the species occupied only 2.2 acres during the 2023-2024 winter season—59 ...

WATCH: How conservationists are rebuilding monarch butterfly habitat on the Central Coast How one organization is rebuilding monarch butterfly habitat on the Central Coast The Pismo Beach State ...

A monarch butterfly at the Coastal Access Monarch Butterfly Preserve in Los Osos, Calif., on Jan. 20. (Gary Coronado / Los Angeles Times) ...

SAN DIEGO — Working to grow a safer future, Veronica Cuadras is planting native narrow leaf milkweed to help monarch butterflies. “All you need is just a little pot, some dirt and some seeds!” Cuadras ...

The iconic monarch butterfly is declining across North America ... There are many possible reasons for this, including habitat loss due to monoculture industrial farming, climate change, and ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...