Scaled Quail: Baca Co., CO |
Western Meadowlark: Bent Co., CO |
Western Meadowlark: Bent Co., CO |
Sage Thrasher: Alamosa NWR, Alamosa Co., CO |
Mountain Bluebird: Alamosa NWR, Alamosa Co., CO |
Sage Thrasher: Alamosa NWR, Alamosa Co., CO |
Sage Thrasher: Alamosa NWR, Alamosa Co., CO |
baby American Coot: Alamosa NWR, Alamosa Co., CO |
Williamson's Sapsucker: Sphyrapicus thyroideus, Archuleta Co., CO |
Violet-green Swallow: Tachycineta thalassina, Archuleta Co., CO |
Red-tailed Hawk (western): Archuleta Co., CO |
Lewis's Woodpecker: Melanerpes lewis, Archuleta Co., CO |
Black Swift (Cypseloides niger) on nest: Ouray Co., CO |
Brewer's Sparrow: Spizella breweri, Gunnison Co., CO |
juvenile Pinyon Jay: Gymnorhinus cyanocephalus, Mesa Co., CO |
drake Ruddy Duck: Jackson Co., CO |
Ruddy Duck pair: Jackson Co., CO |
drake Ruddy Duck: Jackson Co., CO |
Eared Grebe: Jackson Co., CO |
male Yellow-headed Blackbird: Jackson Co., CO |
Western Grebe pair exchanging fish: Jackson Co., CO |
Western Grebe pair: Jackson Co., CO |
Western Grebe: Jackson Co., CO |
Western Grebe: Jackson Co., CO |
Western Grebe: Jackson Co., CO |
Golden Eagle pair: Arapaho NWR, Jackson Co., CO |
California Gull: Larus californicus, Arapaho NWR, Jackson Co., CO |
Brown-capped Rosy-finch: Rocky Mountain NP, Larimer Co., CO |
Brown-capped Rosy-finch: Rocky Mountain NP, Larimer Co., CO |
Brown-capped Rosy-finch: 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 |
White-tailed Ptarmigan: Rocky Mountain NP, Larimer Co., CO |
female Broad-tailed Hummingbird: Rocky Mountain NP, Larimer Co., CO |
Lincoln's Sparrow: Rocky Mountain NP, Larimer Co., CO |
female McCown's Longspur: Pawnee National Grassland, Weld Co., CO |
immature male Chestnut-collared Longspur: Calcarius ornatus, Pawnee National Grassland, Weld Co., CO |
American Avocet: Pawnee National Grassland, Weld Co., CO |
Swainson's Hawk: Pawnee National Grassland, Weld Co., CO |
Marbled Godwit: Weld Co., CO |
Family Passeridae: Eurasian Tree Sparrow (Passer montanus), Madison Co., IL |