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 ...

We found declines in just about every region of the continental U.S. and across almost all butterfly species. Overall, nearly one-third of the 342 butterfly species we were able to study declined ...

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 ...

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 ...

Twice a month, on Thursday mornings, Tad Yankoski listens for a doorbell. A priority package that left Costa Rica three days earlier is due at the Butterfly House in Chesterfield by 10:30 a.m. When it ...