CONTENTS 
xi 
Vultures, Hawks, and Eagles: Order Falconiformes—C ontinued. Page 
Buzzard Hawks and Eagles: Subfamily Buteoninae. 116 
Western Red-tail: Buteo borealis calurus. 161 
Red-bellied Hawk: Buteo lineatus elegans. 164 
Zone-tailed Hawk: Buteo albonotatus albonatatus. 165 
Swainson Hawk: Buteo swainsoni. 167 
American Rough-legged Hawk: Triorchis lagopus sancti-johannis 170 
Ferruginous Rough-leg: Triorchis ferruginous. 172 
Harris Hawk: Parabuteo unieinctus harrisi. 173 
Mexican Goshawk: Asturina plagiata. 175 
Mexican Black Hawk: Morphhus anthracinus. 175 
Golden Eagle: Aquila chrysaetos. 176 
Bald Eagle: Haliaetus leucocephalus leucocephalus. 180 
Harriers: Subfamily Circinae. 181 
Marsh Hawk: Circus hudsonius. 181 
Ospreys: Subfamily Pandioninae. 184 
American Osprey: Pandion haliaetus carolinensis. 184 
Falcons and Caracaras: Family Faleonidae. 185 
Caracaras: Subfamily Polyborinae. 186 
Audubon Caracara: Polyborus cheriway auduboni. 186 
Falcons: Subfamily Falconinae.. *. 187 
Prairie Falcon: Falco mexicanus. 187 
Duck Hawk: Falco peregrinus anatum. 189 
Aplomado Falcon: Falco fusco-coerulescens septentrionalis. 191 
Pigeon Hawk: Falco columbarius columbarius. 192 
Richardson Pigeon Hawk: Falco columbarius richardsoni. 193 
Desert Sparrow Hawk: Falco sparverius phalaena. 193 
Gallinaceous Birds: Order Galliformes. 196 
Grouse, Ptarmigans, etc.: Family Tetraonidae. 196 
Dusky Grouse: Dendragapus obscurus obscurus. 196 
Southern White-tailed Ptarmigan: Lagopus leucurus altipetens. 202 
Lesser Prairie Chicken: Tympanuchus pallidicinctus. 207 
Columbian Sharp-tailed Grouse: Pedioecetes phasianellus colum- 
bianus. 209 
Sage Grouse: Centrocercus urophasianus. 211 
Quails, etc.: Family Perdicidae. 212 
Bob-whites and Quails: Subfamily Odontophorinae. 212 
Texas Bob-white: Colinus virginianus texanus. 213 
Arizona Scaled Quail: Callipepla squamata pallida. 215 
Gambel Quail: Lophortyx gambeli gambeli. 218 
Mearns Quail: Cyrtonyx montezumae mearnsi. 223 
Pheasants: Family Phasianidae. 229 
Ring-necked Pheasant: Phasianus colchicus torquatus. 229 
Turkeys: Family Meleagridae. 230 
Wild Turkey: Meleagris gallopavo silvestris. 230 
Merriara Turkey: Meleagris gallopavo merriami. 231 
Cranes, Rails, etc.: Order Megalornithiformes. 237 
Cranes: Family Megalornithidae. ... 237 
Whooping Crane: Grus americana. 237 
Little Brown Crane: Grus canadensis canadensis. 238 
Sandhill Crane: Grus mexicana. 239 
Rails, Coots, etc.: Family Rallidae. 240 
Rails: Subfamily Rallinae. 240 
Virginia Rail: Rallus virginianus. 241 
Sora: Porzana Carolina. 242 
Coots: Subfamily Fulicinae. 243 
American Coot: Fulica americana. 243 
