Two-thirds of studied species declined by more than 10%, the study said. Butterfly populations have dropped by 22% across 554 recorded species in the United States, according to a new study in the ...

The findings revealed that 33% of butterfly species have experienced significant population declines over the past two decades, with 107 out of the 342 species examined losing more than half of ...

SANTA BARBARA COUNTY, Calif. – Butterfly populations across the United States are declining, a trend reflected in the Western monarch butterfly population along the California Coast. A study ...

In 2022, the WWF reported the eastern migratory monarch butterfly population has decreased by more than 80% over the last three decades. UGA research scientist Andy Davis said in an October ...

US butterfly populations have declined by 22% since 2000, with 114 species showing significant drops. A study published in Science found insecticides, climate change, and habitat loss are driving ...

The study, published Thursday in the journal Science, is the most comprehensive tally of U.S. butterfly populations to date. Nick Haddad, a Michigan State University ecologist who co-wrote the ...

Researchers compiled data on more than five hundred butterfly species across the United States from 2000 to 2020. Some species are faring better than others, but overall, butterfly numbers dropped ...

Over the past 20 years the U.S. butterfly population has declined 22%, a dramatic loss that has scientists concerned. "The easy number to think about is the total number of butterflies in your yard.

A fluttering butterfly makes most people smile with delight — a reaction that makes them special among insects. Some people love butterflies so much that, like birders, they look for and count ...

Still, researchers didn’t have enough data to include some of the most imperiled butterfly species, which probably experienced some of the steepest declines. And the data was quite likely biased ...

Author(s): Julie K. Combs, Matt Hamer and Ann Potter ...