green butterflies

Blue butterflies are beautiful butterflies but have a strong, unpleasant odor, emanating from the odor glands on their front legs.

British scientists miraculously cleared a large hill, bringing a familiar habitat to red-headed ants, an important food of extinct green butterflies.

El Segundo blue butterfly (el segundo blue butterfly) in the United States is the first insect species to be included in the list of federal endangered species.