Chestnut tiger butterfly found in Repulse Bay by researcher from HKU after being released in Fukushima four months earlier.

Agartala: Tripura recorded a milestone in biodiversity documentation with the first-ever recording of the Banded Royal butterfly (Rachana jalindra indra), a rare species, in the state, wildlife ...

Bleached sandhill skipper in the meadows at Baltazor Hot Spring in Humboldt County. (Photo courtesy Patrick Donnelly/Center for Biological Diversity) A rare tiny butterfly found only in a remote ...

The butterfly's historic range in Indiana has dwindled to just one unique wetland called a fen, which will now be protected.

(Photo courtesy Patrick Donnelly/Center for Biological Diversity) A rare tiny butterfly found only in a remote stretch of Northern Nevada will soon gain federal protections under the Endangered ...

Argyria is caused by a buildup of silver in the body, which discolors the skin.

A rare tiny butterfly found only in a remote stretch of Northern Nevada will soon gain federal protections under the Endangered Species Act. The U.S. Fish and Wildlife Service announced Tuesday that ...

Endangered species protections can help ensure this rare butterfly is still here for future generations.” ...