Add Yahoo as a preferred source to see more of our stories on Google. A monarch butterfly at the Coastal Access Monarch Butterfly Preserve in Los Osos, Calif., on Jan. 20. (Gary Coronado / Los Angeles ...

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 ...

The number of monarch butterflies has dropped dramatically in the state of California. If something does not change, they could one day be listed as a species that is in danger of extinction. The ...

Monarch butterfly migration is a long journey. Learn how these amazing butterflies make the trip, where monarchs migrate to and why.

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 ...

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 ...

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 ...

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 ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...

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 California and ...