Grouse
Attwater's Prairie Chicken
Attwater's Prairie Chicken Recovery Team
Texas Parks and Wildlife
Blue Grouse - Dendragapus obscurus
Capercallie - Tetrao urogallus
Greater Prairie-chicken - Tympanuchus cupido
Breeding Birds of the Platte River Valley
Ruffed Grouse - Bonasa umbellus
American Pheasant & Waterfowl Society
Sharp-tailed Grouse
Breeding Birds of the Platte River Valley
Spruce Grouse - Dendragapus canadensis