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ImageFile:Ptarmigan-Willow-Female-Spring-19-170.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-2139.jpg ImageFile:Ptarmigan-Willow-2139.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Male-Spring-9-76.jpg ImageFile:Ptarmigan-Willow-Male-Spring-9-76.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Flight-2049.jpg ImageFile:Ptarmigan-Willow-Flight-2049.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Foraging-Willow-2308.jpg ImageFile:Ptarmigan-Willow-Foraging-Willow-2308.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Male-Spring-15-128.jpg ImageFile:Ptarmigan-Willow-Male-Spring-15-128.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-1457.jpg ImageFile:Ptarmigan-Willow-1457.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-2223.jpg ImageFile:Ptarmigan-Willow-2223.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Female-Summer-2-10.jpg ImageFile:Ptarmigan-Willow-Female-Summer-2-10.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-2131.jpg ImageFile:Ptarmigan-Willow-2131.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Autumn-38-190.jpg ImageFile:Ptarmigan-Willow-Autumn-38-190.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Camouflage-2263.jpg ImageFile:Ptarmigan-Willow-Camouflage-2263.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Female-Spring-19-179.jpg ImageFile:Ptarmigan-Willow-Female-Spring-19-179.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Changing-Plumage-First-Snowfall-33-297.jpg ImageFile:Ptarmigan-Willow-Changing-Plumage-First-Snowfall-33-297.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Flight-2046.jpg ImageFile:Ptarmigan-Willow-Flight-2046.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-2250.jpg ImageFile:Ptarmigan-Willow-2250.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Female-Spring-19-180.jpg ImageFile:Ptarmigan-Willow-Female-Spring-19-180.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Flight-1021.jpg ImageFile:Ptarmigan-Willow-Flight-1021.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Flock-2234.jpg ImageFile:Ptarmigan-Willow-Flock-2234.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Foraging-Willow-2160.jpg ImageFile:Ptarmigan-Willow-Foraging-Willow-2160.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Winter-Plumage-20-248.jpg ImageFile:Ptarmigan-Willow-Winter-Plumage-20-248.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Camouflage-2271.jpg ImageFile:Ptarmigan-Willow-Camouflage-2271.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Male-Spring-7-58.jpg ImageFile:Ptarmigan-Willow-Male-Spring-7-58.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-2183.jpg ImageFile:Ptarmigan-Willow-2183.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Winter-Plumage-24-229.jpg ImageFile:Ptarmigan-Willow-Winter-Plumage-24-229.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Foraging-Willow-2175.jpg ImageFile:Ptarmigan-Willow-Foraging-Willow-2175.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Male-Spring-12-99.jpg ImageFile:Ptarmigan-Willow-Male-Spring-12-99.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Male-Preening-Spring-18-155.jpg ImageFile:Ptarmigan-Willow-Male-Preening-Spring-18-155.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-2224.jpg ImageFile:Ptarmigan-Willow-2224.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Summer-3-31.jpg ImageFile:Ptarmigan-Willow-Summer-3-31.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Flock-1011.jpg ImageFile:Ptarmigan-Willow-Flock-1011.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Flock-Landing-Willows-2101.jpg ImageFile:Ptarmigan-Willow-Flock-Landing-Willows-2101.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Winter-Plumage-26-239.jpg ImageFile:Ptarmigan-Willow-Winter-Plumage-26-239.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Foraging-Flock-2152.jpg ImageFile:Ptarmigan-Willow-Foraging-Flock-2152.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Foraging-Willow-2315.jpg ImageFile:Ptarmigan-Willow-Foraging-Willow-2315.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Male-Spring-Sunset-5-9.jpg ImageFile:Ptarmigan-Willow-Male-Spring-Sunset-5-9.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Foraging-Willow-2215.jpg ImageFile:Ptarmigan-Willow-Foraging-Willow-2215.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Male-Spring-8-61.jpg ImageFile:Ptarmigan-Willow-Male-Spring-8-61.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus Thumbnail:Ptarmigan-Willow-Winter-Plumage-21-207.jpg ImageFile:Ptarmigan-Willow-Winter-Plumage-21-207.jpg Species:Ptarmigan Willow ScientificName:Lagopus lagopus 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