White-tailed Ptarmigan

(Lagopus leucura)

Peak 8, Breckenridge, Summit County, Colorado, USA, 4 July 2006

One of several hatch year birds that were with adult shown below, Peak 8, Breckenridge, Summit County, Colorado, USA, 31 August 2006

Peak 8, Breckenridge, Summit County, Colorado, USA, 31 August 2006