Western Wood-Pewee (Contopus sordidulus) Western Kingbird (Tyrannus verticalis) House Sparrow (Passer domesticus) Paging Mr. Link. Mr. Bob O. Link. Warbling Vireo (Vireo gilvus) Warbling Vireo (Vireo gilvus) Eastern Kingbird (Tyrannus tyrannus) Showing Crown Red Crossbill (Loxia curvirostra) House Wren with Snack Yellow Warbler (Setophaga petechia) Yellow-Breasted Chat (Icteria virens) Spotted Sandpiper (Actitis macularius) American Avocet (Recurvirostra americana) Cliff Swallow in Nest House Wren (Troglodytes aedon) Plumbeous Vireo (Vireo plumbeus) Great Crested Flycatcher (Myiarchus crinitus) Red-Headed Woodpecker (Melanerpes erythrocephalus) Red-Headed Woodpecker (Melanerpes erythrocephalus) 105° Common Nighthawk (Chordeiles minor) Colorado Birding Trail Dickcissel (Spiza americana) Northern Mockingbird (Mimus polyglottos) Blue-Gray Gnatcatcher (Polioptila caerulea) Western Bluebird (Sialia mexicana) Plumbeous Vireo (Vireo plumbeus) Black-Throated Sparrow (Amphispiza bilineata) Ash-Throated Flycatcher (Myiarchus cinerascens) Plumbeous Vireo (Vireo plumbeus) Green-Tailed Towhee (Pipilo chlorurus) Common Grackle (Quiscalus quiscula) White-Faced Ibis (Plegadis chihi) Song Sparrow (Melospiza melodia) Red-Winged Blackbird (Agelaius phoeniceus) Cinnamon Teal (Anas cyanoptera) Lark Sparrow (Chondestes grammacus) Western Kingbird (Tyrannus verticalis) American Robin (Turdus migratorius) House Wren (Troglodytes aedon) White-Winged Dove (Zenaida asiatica) Vesper Sparrow (Pooecetes gramineus) Peekaboo! Brewers Blackbird (Euphagus cyanocephalus) Cassin's Finch (Carpodacus cassinii) White-throated Sparrow (Zonotrichia albicollis)