206 PACIFIC COAST AVIFAUNA 
Creortyx picta, 58 
picta confinis, 58 
picta picta, 58 
picta plumifera, 58 
Oreoscoptes montanus, 153 
Oreospiza chlorura, 134 
Ornismya anna, 87 
Ortygops noveboracensis, 47 
Ortyx californica, 59, 180 
douglasi, 180 
picta, 58, 180 
plumifera, 58 
Osprey, American, 69 
Ossifraga gigantea, 176 
Otocoris alpestris, 94, 96 
alpestris actia, 94 
alpestris ammophila, 94, 95 
alpestris arenicola, 94, 95 
alpestris chrysolaema, 94 
alpestris insularis, 95 
alpestris leucansiptila, 95 
alpestris leucolaema, 95 
alpestris merrilli, 94, 95 
alpestris pallida, 95 
alpestris rubea, 94, 95 
alpestris strigata, 94, 95 
insularis, 96 
rubea, 94 
rufa, 94 
Otocorys chrysolaema, 94 
strigata, 94 
Otus asio bendirei, 71, 72, 182 
asio cineraceus, 72 
asio gilmani, 72 
asio kennicotti, 182 
asio quercinus, 72 
brachyotus, 70 
brachyotus wilsonianus, 69 
flammeola, 183 
flammeolus, 72, 182, 183 
flammeolus idahoensis, 72, 182, 183 
idahoensis, 72 
vulgaris wilsonianus, 69 
wilsonianus, 69 
Ouzel, Water, 153 
Oven-bird, 150 
Owl, Acadian, 71 
American Barn, 69 
Arizona Elf, 74 
Arizona Screech, 72 
Billy, 74 
Burrowing, 74 
California Coast Screech, 71 
California Pigmy, 74 
Owl, Coast Horned, 73 
Coast Pigmy, 74 
Dwarf Screech, 72, 182 
Dusky Horned, 73 
Flammulated Screech, 72 
Great Gray, 71 
Great Horned, 73 
Ground, 74 
Kennicott Screech, 182 
Kirtland, 71 
Long-eared, 69 
Mottled, 71 
Mottled Screech, 71 
Northern Spotted, 70 
Pacific Horned, 73 
Rocky Mountain Pigmy, 74 
Sahuaro Screech, 72 
Saw-whet, 71 
Short-eared, 70 
Sierra Pigmy, 74 
Snowy, 73 
Southern California Screech, 72 
Southern Spotted, 70 
Western Barred, 70 
Western Horned, 73 
Whitney, 74 
Owlet, Flammulated, 72 
Oxyechus vociferus vociferus, 55 
Oyster-catcher, Bachman, 57 
Black, 57 
Frazar, 57 
Pied, 57 
Paisano, 75 
Pandion carolinensis, 69 
haliaetus, 69 
haliaetus carolinensis, 69 
Panyptila melanoleuca, 86 
Parabuteo unicinetus harrisi, 65 
Paroides flaviceps, 166 
Partridge, California, 59 
Gambel, 60 
Hungarian, 180 
Mountain, 58 
Plumed, 58 
Valley, 59 
Parus atricapillus, 163 
atricapillus occidentalis, 163 
barlowi, 164 
fasciatus, 166 
gambeli, 163, 164 
gambeli baileyae, 164 
inornatus, 162, 163 
inornatus griseus, 163 
inornatus ridgwayi, 163 
No. 11 
