White-tailed Ptarmigan
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
 White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
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