monarch butterfly

California Monarch Butterfly Population Down 86 Percent in 2018

Each fall, thousands of monarch butterflies travel from their summer homes in the northern U.S. and Canada to their winter homes in California and Mexico. But when scientists did the annual Western Monarch Thanksgiving Count in November 2018, they found that the number of West Coast monarchs in California dropped by 86 percent since 2017. …

California Monarch Butterfly Population Down 86 Percent in 2018 Read More ยป