Willow Ptarmigan near Savage River in Denali National Park (Alaska, USA)
Willow Ptarmigan near Savage River in Denali National Park (Alaska, USA)
Willow Ptarmigan near Savage River in Denali National Park (Alaska, USA)
Willow Ptarmigan near Savage River in Denali National Park (Alaska, USA)
Lagopus lagopus, willow ptarmigan, willow grouse, Moorschneehuhn, pernice bianca nordica, lagopo, Savage River, Denali National Park, Denali National Park and Preserve, Denali-Nationalpark, Parco nazionale del Denali, Alaska, USA
