CBS • 2025-03-06

Butterfly populations declining rapidly in U.S. with 22% disappearing in 2 decades, study finds

A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between 2000 and 2020.

The Guardian • 2025-03-06

Butterfly population in US shrinking by 22% over last 20 years, study shows

Drop in line with rate of overall insect loss as scientists point to habitat loss, pesticide use and the climate crisis

The Washington Post • 2025-03-06

Butterflies in the U.S. are disappearing at a ‘catastrophic’ rate

The number of butterflies in the contiguous United States declined by 22 percent this century, a collapse with potentially dire implications.