Bohemian Waxwing (Bombycilla garrulus) Cedar Waxwing (Bombycilla cedrorum) Northern Shrike (Lanius excubitor) Loggerhead Shrike (Lanius ludovicianus) European Starling (Sturnus vulgaris) Solitary Vireo (Vireo solitarius) Warbling Vireo (Vireo gilvus) Philadelphia Vireo (Vireo philadelphicus) Red~eyed Vireo (Vireo olivaceous
Virginia Rail (Rallus limicola) Sora (Porzana carolina) Common Moorhen (Gallinula chloropus) Ame...
More than 20 years have elapsed since the publication of Birds of the Rocky Mountains, and many chan...
Red-throated Loon (Gavia stellata) Arctic Loon (Gavia arctica) Common Loon (Gavia immer) Pied-billed...
Bohemian Waxwing (Bombycilla garrulus) Cedar Waxwing (Bombycilla cedrorum) Northern Shrike (Lanius e...
Purple Martin (Progne subis) Tree Swallow (Iridoprocne bicolor) Violet-green Swallow (Tachycineta th...
Bobolink (Dolichonyx oryzivorus) Red-winged Blackbird (Agelaius phoeniceus) Western Meadowlark (Stur...
Brown Creeper (Certhia familiaris) Rock Wren (Salpinctes obsoletus) Canyon Wren (Caltherpes mexicanu...
Belted Kingfisher (Ceryle alcyon) Lewis\u27s Woodpecker (Melanerpes lewis) Red-headed Woodpecker (...
Common Nighthawk (Chordeiles minor) Common Poor-will (Phalaenoptilus nuttallii) Black Swift (Cypselo...
Golden-winged Warbler (Vermivora chrysoptera) Tennessee Warbler (Vermivora peregrina) Orange-crowned...
Wilson\u27s Phalarope (Phalaropus tricolor) Gray Partridge (Perdix perdix) Chukar (Alectoris chuka...
Eastern Bluebird (Sialia sialis) Western Bluebird (Sialia mexicana) Mountain Bluebird (Sialia curruc...
Black-capped Chickadee (Parus atricapillus) Mountain Chickadee (Parus gambelii) Boreal Chickadee (Pa...
Hepatic Tanager (Piranga flava) Scarlet Tanager (Piranga olivacea) Western Tanager (Piranga ludovici...
Pomarine Jaeger (Stercorarius pomarinus) Parasitic Jaeger (Stercorarius parasiticus) Long-tailed J...
Virginia Rail (Rallus limicola) Sora (Porzana carolina) Common Moorhen (Gallinula chloropus) Ame...
More than 20 years have elapsed since the publication of Birds of the Rocky Mountains, and many chan...
Red-throated Loon (Gavia stellata) Arctic Loon (Gavia arctica) Common Loon (Gavia immer) Pied-billed...
Bohemian Waxwing (Bombycilla garrulus) Cedar Waxwing (Bombycilla cedrorum) Northern Shrike (Lanius e...
Purple Martin (Progne subis) Tree Swallow (Iridoprocne bicolor) Violet-green Swallow (Tachycineta th...
Bobolink (Dolichonyx oryzivorus) Red-winged Blackbird (Agelaius phoeniceus) Western Meadowlark (Stur...
Brown Creeper (Certhia familiaris) Rock Wren (Salpinctes obsoletus) Canyon Wren (Caltherpes mexicanu...
Belted Kingfisher (Ceryle alcyon) Lewis\u27s Woodpecker (Melanerpes lewis) Red-headed Woodpecker (...
Common Nighthawk (Chordeiles minor) Common Poor-will (Phalaenoptilus nuttallii) Black Swift (Cypselo...
Golden-winged Warbler (Vermivora chrysoptera) Tennessee Warbler (Vermivora peregrina) Orange-crowned...
Wilson\u27s Phalarope (Phalaropus tricolor) Gray Partridge (Perdix perdix) Chukar (Alectoris chuka...
Eastern Bluebird (Sialia sialis) Western Bluebird (Sialia mexicana) Mountain Bluebird (Sialia curruc...
Black-capped Chickadee (Parus atricapillus) Mountain Chickadee (Parus gambelii) Boreal Chickadee (Pa...
Hepatic Tanager (Piranga flava) Scarlet Tanager (Piranga olivacea) Western Tanager (Piranga ludovici...
Pomarine Jaeger (Stercorarius pomarinus) Parasitic Jaeger (Stercorarius parasiticus) Long-tailed J...
Virginia Rail (Rallus limicola) Sora (Porzana carolina) Common Moorhen (Gallinula chloropus) Ame...
More than 20 years have elapsed since the publication of Birds of the Rocky Mountains, and many chan...
Red-throated Loon (Gavia stellata) Arctic Loon (Gavia arctica) Common Loon (Gavia immer) Pied-billed...