The scarce butterfly can be found in grasslands and around host plants such as wild blue lupine and wild indigo. Their numbers continue to decline, and they are predicted to be federally endangered.

With no sightings in two years, the rare Ogasawara blue butterfly, named after its island chain natural habitat far south of Tokyo and designated a national natural treasure, is considered extinct ...

A recent study combining data from more than 76,000 surveys from 35 monitoring programs across the country found butterfly ...

The rare Mount Charleston blue butterfly lives in just a handful of alpine meadows on Mount Charleston above Las Vegas. The species was protected under the Endangered Species Act in 2013. One of its ...

To ensure that the Sand Mountain blue butterfly will have adequate habitat and protection, the Center submitted a petition to list this rare species as federally endangered in 2004. In 2006, after the ...

The Tsushima Blue Quaker butterfly, an iconic symbol of Tsushima ... In one conservation area, a rare plant found only in Tsushima, Astilbe tsushimensis, began to grow shortly after the deer ...

“Endangered species protections can help ensure this rare butterfly is still here ... In Southern Nevada, the Mount Charleston blue butterfly is another species that has similar federal protections.

If the joy of seeing butterflies seems increasingly rare these days, it isn’t your imagination. From 2000 to 2020, the number of butterflies fell by 22% across the continental United States. That’s 1 ...

Two-thirds of studied species showed declines of more than 10 percent,” wrote Science editor Bianca Lopez in a summary of the study. “Many insects have the potential for rapid population growth and ...