Monarch butterfly count at Pismo State Beach Monarch Grove was only 471 in 2025. The counts have been falling in the ...

PACIFIC GROVE (CBS SF/AP) — The once vanishing population of orange-and-black Western monarch butterflies seems to be recovering in California this year. The number wintering along California's ...

PACIFIC GROVE — The Thanksgiving holiday has historically marked the peak sightings of western monarch butterflies on ...

When this monarch butterfly hits the sky it won't be traveling alone. In fact, an energetic team of researchers will be ...

The population of western monarch butterflies wintering along the California coast has rebounded for a second year in a row after a precipitous drop in 2020, but the population of orange-and-black ...

Stay up-to-date with free briefings on topics that matter to all Californians. Subscribe to CalMatters today for nonprofit news in your inbox. For the past three years, more than 200,000 western ...

Riatiga is the director of Monarca Baja California Monarch, a community science project dedicated to monitor and educate about the monarch butterfly and their overwintering sites in Baja California.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. PACIFIC GROVE, Calif. (AP) — There is a ray ...

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

The anecdotes abound this year — friends reporting magical clusters of monarch butterflies on their walks, dozens of organizations offering free giveaways of native milkweed and projects to restore ...

A coalition of conservation groups have partnered with the state to add 30,000 milkweed plants in an attempt to restore the species’ population. By Claire Fahy Known for their windowpane wing design ...