The Xerces blue butterfly vanished from San Francisco in the 1940s. Scientists just released dozens of butterflies from a related species to take its place.

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 ...

The Fender's blue butterfly has fluttered away from the brink of extinction. The species, once so rare it was thought to be extinct, is no longer considered endangered, according to a January 11 ...

Campbell’s work centers on the Karner blue butterfly, an endangered species in New York and nationwide, which can only eat blue lupine as a caterpillar.Wild lupine is a perennial that grows best ...

Following a bad year for butterflies in 2024, the charity Butterfly Conservation is stressing it’s more important than ever ...

A Fender’s blue butterfly at Baskett Slough National Wildlife Refuge, Oregon. Credit: Mark V. Leppin A FEW YEARS AFTER the rediscovery of Fender’s blue, a graduate student named Cheryl Schultz ...

Butterflies come in a remarkable variety of different forms and patterns, from the orange-colored majesty of the monarch to ...

The Fender's blue was declared extinct in 1937, but in 1989 an Oregon entomologist spotted one while hiking outside Corvallis. Efforts to save the species began.

Newly hatched hummingbird looks, acts like a toxic caterpillar "Batesian mimicry" is when a species evolves to look like one that's inedible. Elizabeth Rayne – Apr 4, 2025 1:02 pm | 40 ...