A study compiled data from more than 76,000 butterfly surveys across the continental U.S. The declines seen in the last 20 ...

Researchers identified over 100 species that have dropped by more than 50 percent in the last two decades: "This is a wake-up ...

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 ...

This new study funded by the U.S. Geological Survey - uses all available monitoring data - 35 programs with records of over 12.6 million butterflies - to provide a clear picture of the state of ...

A new study compiling butterfly surveys across the country found a 22% overall decline, while seven species found in Maine ...

Last month an annual survey that looked just at monarch butterflies, which federal officials plan to put on the threatened species list, counted a nearly all-time low of fewer than 10,000 ...

It included data from 12.6 million individual butterflies comprising 554 species taken in 756,957 surveys. The results were worse than they expected. "They are all in trouble, everywhere," said ...