Greater Prairie-Chicken Fight, Sandhills, Nebraska (Prairie-Chickens)

Greater Prairie-Chickens Battle, Nebraska (Prairie-Chicken)

Willow Ptarmigan chick, Nome, Alaska (Willow Ptarmigans)

Portrait of a Willow Ptarmigan, Barrow, Alaska (Willow Ptarmigans)

Willow Ptarmigan, Barrow, Alaska (Willow Ptarmigans)

Willow Ptarmigan in Flight, Barrow, Alaska (Willow Ptarmigans)

Ruffed Grouse, Shindagin, NY (Ruffed Grouses)

Ruffled Grouse Display, New York (Ruffed Grouse)

Sharp-Tailed Grouse, Montana

Sharp-Tailed Grouse, Montana