1^6 UNIVERSITY OF COLORADO STUDIES 



Wilson Phalarope. Steganopus tricolor. 



Windsor. 

 American Avocet. Recurvirostra americana. 



Windsor. 

 Spotted Sandpiper. Actitis mactdaria. 



Big Thompson. 

 KiLLDEER. Oxyechus vocifera. 



Boulder; St. Vrain; Windsor. 

 Mountain Plo\^r. Podasocys moyitana. 



Fossil Ridge; Eastman's Reservoir. 

 Mourning Dove. Zenaidura macroura. 



Boulder; St. Vrain; Grover. 

 Turkey VuLTtmE. Cathartes aura. 



St. Vrain; Davis' Ranch. 

 Swainson Hawk. Buteo swainsoni. 



Davis' Ranch; Pawnee Buttes; Crow Creek. 

 Ferruginous Roughxeg. Archibuteo ferrugineous. 



Crow Creek. 

 Sparrowhawk. Falco sparverius. 



St. Vrain. 

 Burrowing Owl. Speotyto cunictdaria hypogaea. 



Trilby; Grover. 

 Belted Kingfisher. Ceryle alcyon. 



St. Vrain. 

 Red-headed Woodpecker. Melatierpes erythrocephalus. 



St. Vrain. 

 Flicker. Colaptes auratus luteus 



Identified by young birds found in a nest on Big Thompson. 

 Red-shafted Flicker. Colaptes cafer collaris. 



St. Vrain. 

 Western Nighthawk. Chordeiles virginianus henryi. 



Fossil Ridge. 

 White -THROATED Swift. Aeronautes melanoleticus. 



Davis' Ranch. 

 Kingbird. Tyrannus tyrannus. 



Boulder; St. Vrain; Crow Creek. 

 Arkansas Kingbird. Tyrannus verticalis. 



Davis' Ranch; Crow Creek. 

 Say Phoebe. Sayornis saya. 



Chalk Bluffs; Davis' Ranch. 

 Western Wood Pewee. Contopus richardsonii. 



St. Vrain. 



