blackcock male black grouse Black grouse Tetrao tetrix Lyrurus tetrix male calling and displaying by spreading tail feathers at lek, Dalarna, Sweden, Europe, by alimdi Arterra Stock Photo - Afloimages
Black grouse (Tetrao tetrix) (Lyrurus tetrix) male calling and displaying by spreading tail feathers at lek, Dalarna, Sweden, Europe, by alimdi / Arterra