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 ...

Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California Coast, ...

PACIFIC GROVE, Calif. -- There is a ray of hope for the vanishing orange-and-black Western monarch butterflies. The number wintering along California's central coast is bouncing back after the ...

SAN FRANCISCO — The number of western monarch butterflies overwintering in California dropped by 30% last year, likely due to how wet it was, researchers said Tuesday. Volunteers who visited sites in ...

Some California cities have oddly specific rules, including some in Monterey County. Here are some of the oddest the state has written into law.

After two straight years of increases, the number of monarch butterflies along the California coast dropped this winter. Monarchs show up each year along the coast to wait out the cold months. But ...

Federal wildlife officials announced this week that monarch butterflies qualify to be protected as an endangered species. But, the iconic insect won’t be receiving that status under the Endangered ...

Citizen scientists and volunteers have counted over 233,300 monarch butterflies across the western United States as part of Xerces Society’s 27th annual count. Despite ongoing efforts to save the ...

SAN FRANCISCO – The number of western monarch butterflies overwintering in California dropped by 30% last year, likely due to how wet it was, researchers said Tuesday. Volunteers who visited sites in ...