Daniel J. Field:
Lazuli Bunting (Passerina amoena), Denver, Colorado
Daniel J. Field:
Killdeer (Charadrius vociferus), Denver, Colorado
Daniel J. Field:
Lazuli Bunting (Passerina amoena), Denver, Colorado
Daniel J. Field:
Common collared lizard (Crotaphytus collaris), Fruita, Colorado
Daniel J. Field:
Spotted Towhee (Pipilo maculatus), Dinosaur Ridge, Colorado
Daniel J. Field:
Blue-gray Gnatcatcher (Polioptila caerulea), Dinosaur Ridge, Colorado
Daniel J. Field:
Western Wood-Pewee (Contopus sordidulus), Dinosaur Ridge, Colorado
Daniel J. Field:
Broad-tailed Hummingbird (Selasphorus platycercus), Dinosaur Ridge, Colorado
Daniel J. Field:
Mountain Chickadee (Poecile gambeli), Conifer, Colorado
Daniel J. Field:
Red Crossbill (Loxia curvirostra), Conifer, Colorado
Daniel J. Field:
Pygmy Nuthatch (Sitta pygmaea), Conifer, Colorado
Daniel J. Field:
Mountain Chickadee (Poecile gambeli), Conifer, Colorado
Daniel J. Field:
Broad-tailed Hummingbird (Selasphorus platycercus), Conifer, Colorado
Daniel J. Field:
Red Crossbill (Loxia curvirostra), Conifer, Colorado
Daniel J. Field:
Evening Grosbeak (Coccothraustes vespertinus), Conifer, Colorado
Daniel J. Field:
Horned Lark (Eremophila alpestris), Pawnee National Grassland, Colorado
Daniel J. Field:
Lark Bunting (Calamospiza melanocorys), Pawnee National Grassland, Colorado
Daniel J. Field:
Western Meadowlark (Sturnella neglecta), Pawnee National Grassland, Colorado
Daniel J. Field:
Red Crossbill (Loxia curvirostra), Conifer, Colorado
Daniel J. Field:
Swainson's Hawks (Buteo swainsoni), Barr Lake State Park, Colorado
Daniel J. Field:
Say's Phoebe (Sayornis saya), Barr Lake State Park, Colorado
Daniel J. Field:
American White Pelican (Pelecanus erythrorhynchos), Barr Lake State Park, Colorado
Daniel J. Field:
Bullock's Oriole (Icterus bullockii), Barr Lake State Park, Colorado
Daniel J. Field:
Yellow Warbler (Setophaga petechia), Barr Lake State Park, Colorado
Daniel J. Field:
Western Wood-Pewee (Contopus sordidulus), Barr Lake State Park, Colorado
Daniel J. Field:
Common Grackle (Quiscalus quiscula), Barr Lake State Park, Colorado
Daniel J. Field:
House Wren (Troglodytes aedon), Barr Lake State Park, Colorado
Daniel J. Field:
Pygmy Nuthatch (Sitta pygmaea), Conifer, Colorado
Daniel J. Field:
Bullock's Oriole (Icterus bullockii), Barr Lake State Park, Colorado
Daniel J. Field:
American White Pelican (Pelecanus erythrorhynchos), Barr Lake State Park, Colorado
