LIST OF BIRDS OF BOULDER COUNTY^ COLORADO 235 



Numenius longirostris — Long-billed curlew (Rowland). 



Lagopus leucurus — White-tailed ptarmigan. 



Dendragapus obscurus — Dusky or blue grouse (Henderson). 



Colinus virginianus — Bob-white, quail (Henderson). 



Zenaidura macroura — Mourning dove, turtle dove (Henderson), 



Cathartes aura — Turkey vulture (Rowland). 



Circus hudsonius — Marsh hawk (Rowland). 



Accipiter velox — Sharp-shinned hawk (Rowland). 



Accipiter cooperii — Cooper hawk. 



Aquila chrysaetos — Golden eagle. 



Haliaeetus leucocephalus — Bald eagle (Blanchard). 



Falco mexicanus — Prairie falcon (Blanchard). 



Falco peregrinus anatum — Duck hawk (Rowland). 



Falco sparverius — American sparrow hawk. 



Buteo calurus — Western red-tailed hawk. 



Strix pratincola — American barn owl (Rowland). 



Asio wilsonianus — Long-eared owl (Rowland). 



Asio accipitrinus — Short-eared owl (Rowland). 



Nyctala acadica — Saw-whet owl (Gale). 



Megascops flammeola — Flammulated owl (Sprague specimen, very rare). 



Megascops asio maxwelliae — Rocky Mountain screech owl (Gale). 



Speotyto cunicularia hypogaea — Burrowing owl (Henderson). 



Bubo virginianus pallescens — Western horned owl. 



Nyctea nyctea — Snowy owl (Rowland). 



Glaucidium gnoma — Pygmy owl (Bragg). 



Ceryle alcyon — Belted kingfisher (Henderson). 



Colaptes cafer collaris — Red-shafted flicker (Henderson). 



Sphyrapicus varius nuchalis — Red-naped sapsucker (Rowland). 



Melanerpes erythrocephalus — Red-headed woodpecker (Henderson). 



Melanerpes torquatus — Lewis woodpecker. 



Dryobates villosus monticola — Rocky Mountain hairy woodpecker (Anthony) 



— type locality. 

 Phalaenoptilus nuttallii — Poorwill (Blanchard). 

 Chordeiles virginianus henryi — Western night-hawk (Henderson). 

 Aeronautes melanoleucus — White-throated swift (Blanchard). 

 Selasphorus platycercus — Broad-tailed hummingbird (Henderson). 

 Selasphorus rufus — Rufous hummingbird (Gale). 

 Tyrannus tyrannus — Kingbird. 

 Sayomis saya — Say's phoebe. 

 Contopus borealis — Olive-sided flycatcher. 

 Contopus richardsonii — Western wood pewee. 

 Empidonax traillii — Traill flycatcher (Minot). 



Otocoris alpestris leucolaema — Pallid or desert horned lark (Henderson). 

 Pica pica hudsonica — Black-billed magpie. 



