IV BULLETIN 16 7, UNITED STATES NATIONAL MUSEUM 



Family Accipitiiidae — Continued. Page 



Buteo borealis krideri: Krider's hawk 165 



Habits 165 



Buteo borealis calurus : Western red-tailed hawk 167 



Habits 167 



Buteo borealis harlani: Harlan's hawk 174 



Habits 174 



Buteo borealis umbrinus: Florida red-tailed hawk 178 



Habits 178 



Buteo lineatus lineatus: Northern red-shouldered hawk 180 



Habits 180 



Distribution 196 



Buteo lineatus alleni: Florida red-shouldered hawk 199 



Habits 199 



Buteo lineatus elegans: Red-bellied hawk 203 



Habits 203 



Buteo lineatus extimus: Insular red-shouldered hawk 208 



Habits 208 



Buteo lineatus texanus: Texas red-shouldered hawk 210 



Habits ^_ 210 



Buteo albonotatus: Zone-tailed hawk 212 



Habits 212 



Distribution 216 



Buteo albicaudatus hypospodius: Sennett's white-tailed hawk 216 



Habits 216 



Distribution 221 



Buteo swainsoni: Swainson's hawk 222 



Habits 222 



Distribution 233 



Buteo playpterus platypterus: Broad-winged hawk 236 



Habits 236 



Distribution 250 



Buteo brachyurus: Short-tailed hawk 254 



Habits 254 



Distribution 258 



Urubitinga anthracina anthracina: Mexican black hawk 259 



Habits 259 



Distribution 263 



Asturina plagiata plagiata: Mexican goshawk 264 



Habits 264 



Distribution 268 



Buteo lagopus s. johannis: American rough-legged hawk 269 



Habits 269 



Distribution 281 



Buteo regalis: Ferruginous roughleg 284 



Habits 284 



Distribution 292 



Aquila chrysaetos canadensis: Golden eagle 293 



Habits 293 



Distribution 313 



Haliaeetus albicilla: Gray sea eagle 315 



Habits 315 



Distribution 320 



