US Fish and Wildlife on Twitter: "The silvery blue butterfly is returning to higher elevations! When its wings open, you will see a vibrant and shiny blue. Males primarily have strikingly blue wings, while females have a hint of blue with mostly gray. More: https://t.co/w5Ndtn58hK Photo: @USFWS… https://t.co/AomnHTCvvG"

US Fish and Wildlife on Twitter: "The silvery blue butterfly is returning to higher elevations! When its wings open, you will see a vibrant and shiny blue. Males primarily have strikingly blue wings, while females have a hint of blue with mostly gray. More: https://t.co/w5Ndtn58hK Photo: @USFWS… https://t.co/AomnHTCvvG"