Once upon a time, over a century ago, the Xerces blue butterfly inhabited the sand dunes of San Francisco. The butterflies ...

Silver-studded blue butterflies have been lost from more than 80% of their former habitats in the past century A protected species of butterfly has been reintroduced to its former home after an ...

DESCRIPTION: The Smith's blue is a small butterfly with a less-than-one-inch wingspan. Adult males are a brilliant blue, while females are brown; both sexes have a red-orange band across the underside ...