August 7, 2019; Brienz, Switzerland. Shortly after our arrival in Brienz, Oliver took a few of us on a walk to Wildpark Brienz. Two of the species shown here are native to Switzerland. One is not. Your guess.
Common Blue Butterfly Blue Hairstreak
(Nikon D500, Tamron 100-400 f/4.5-6.3 Di VC USD zoom. RAW processing in DxO PhotoLab 2.3; Editing in Adobe Photoshop.)