The orange-winged insect's population increased from 2,000 in 2020 to nearly 250,000 in 2021
Monarch butterfly population more than halved by atmospheric river storms
Articles tagged as Earth Optimism
After nearly disappearing, California's migrating monarchs hang on
Monarch butterfly population more than halved by atmospheric river storms
Articles tagged as Monarchs
Monarch Butterfly Numbers Soar in California After Dramatic Losses, Smart News
California Monarch Butterfly Population Down 86 Percent in One Year
Articles tagged as Butterflies
The genetics of monarch butterfly migration and warning colouration