The event showcased the rich biodiversity of chalk grassland and gave residents the chance to see a variety of butterflies ...

Five butterflies you’ll be lucky to see during Big Butterfly Count - As numbers decline, sightings become more important, ...

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.

Karner blue butterflies are a federally endangered species and Wisconsin holds the largest population in the world. How are ...

Once found along the entire Pacific Northwest coast, the Oregon silverspot butterfly now survives in only a few isolated ...

According to the zoo, “Early blue violets are the main food source for the silverspot caterpillars as they mature into adult ...

In this 2007 file photo, The El Segundo Blue Butterfly, once on the endangered species list, is making a comeback in coastal areas of Los Angeles. (Photo courtesy Palos Verdes Peninsula Land ...

Butterfly species numbers dropped 22% across the U.S. between 2000 and 2020. Habitat loss, climate change, pesticides are the main causes.

Normally seen alone or in pairs, this tiny orange and brown butterfly thrives during warm, dry summers but is in long-term decline. Favouring heaths, chalk grassland and brownfield sites, their ...

Wisconsin DNR highlights the role of pollinators and encourages conservation during Pollinator Week, with actions like ...

A Washington man used a net to catch butterflies at a park in Key Largo, the Florida Fish and Wildlife Conservation Commission announced on Monday.