Several small, silvery-winged butterflies flitted among the native spotted bee balm and butterfly milkweed growing under the ...

The Fender's blue butterfly is found only in Oregon's Willamette Valley -- a 150-mile long region in the state that stretches from Portland to Eugene -- says the service.

The endangered Karner blue butterfly, once scarce in Michigan, is making a notable comeback, particularly in the western pa ...

The Fender's blue butterfly, once thought extinct, celebrates a revival. It is only found in Oregon's Willamette Valley. Here's how to see it: ...

“This little butterfly was nearly lost to Oregon, but now we can celebrate its recovery along with the 50th anniversary of the landmark law that saved this species.” The Fender’s blue is a tiny ...

The butterfly’s resurgence, the USDFW said, is also helping with the revival of endangered plants that are pollinated by the Fender’s blue, like the Kincaid’s lupine and the Willamette daisy.

As butterfly populations decline, Ashland photographer David Myers encourages everyday nature lovers to document species.

The Fender’s blue butterfly, found only in the Willamette Valley, is moving off the endangered species list. The U.S. Fish and Wildlife Service has announced the butterfly will be reclassified ...