World Wildlife Fund5d
Eastern monarch butterfly population nearly doubles in 2025
In encouraging news, the eastern monarch butterfly population nearly doubled in 2025, according to a new report announced in Mexico. The population wintering in central Mexico's forests occupied 4.42 ...
Smithsonian Magazine19d
U.S. Butterflies Are Disappearing at Drastic Rates, With One in Five Gone Since 2000
U.S. Fish and Wildlife Service via Flickr under CC BY 2.0 Butterfly populations in the United States have dropped by almost a quarter in the last two decades, according to a new analysis published ...
CNN22d
America’s butterflies are disappearing at a ‘catastrophic’ rate
The first countrywide systematic analysis of butterfly abundance found that the ... an ecologist and data scientist at the Washington Department of Fish and Wildlife. “I’m probably most ...
ABC News22d
Butterfly populations are rapidly declining, new study shows
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 ...
CBS News23d
Butterfly populations declining rapidly in U.S. with 22% disappearing in 2 decades, study finds
One of the most striking examples is the monarch butterfly. In December 2024, the U.S. Fish and Wildlife Service proposed listing the monarch under the Endangered Species Act, saying the species ...
Fox 5 NY23d
US butterfly populations declining at 'catastrophic' rate—experts warn it's a 'bad sign for us'
US butterfly populations have declined by 22% ... an ecologist and data scientist at the Washington Department of Fish and Wildlife. Butterflies that live in both southern and northern regions ...
USA Today23d
US butterflies 'all in trouble' as their numbers rapidly decline, report finds
Over the past 20 years the U.S. butterfly population has declined 22 ... an ecological modeler with the Washington state Department of Fish and Wildlife and first author on the paper being ...
The Conversation23d
Butterflies declined by 22% in just 2 decades across the US – there are ways you can help save them
The U.S. Fish and Wildlife Service in December 2024 recommended listing the monarch butterfly as a threatened species. With the new study, we now have population trends for more than half of all U ...
The New York Times24d
See How Butterflies Are Surviving, or Not, Near You
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 ...
National Geographic news24d
1 in 5 butterflies in the U.S. have disappeared in the last 20 years
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 ...
BBC24d
US lost a fifth of its butterflies within two decades
The Danaus eresimus, commonly known as the soldier butterfly, is among the 20 butterfly species experiencing the steepest decline Butterfly populations in the US shrank by more than a fifth within ...
Euronews25d
What is the fish doorbell? How a livestream from the Netherlands is helping with migration
The world’s first fish doorbell has just gone live in the Dutch city of Utrecht. ‘Fish doorbell season’ officially began, on 3 March for the fifth year in a row. A camera showing live ...