CONTENTS. 



Page. 



Letter of transmittal 3 



Table of contents 5 



List of illustrations 7 



Introduction « 9 



Biographies of species: 



Swallow-tailed Kite (Elanoides forficatus) 20 



White-tailed Kite (Elanus leucurus) 23 



Mississippi Kite (Ictinia mississippiensis) 24 



Everglade Kite (Bostrhamus sociabilis) 25 



Marsh. Hawk ( Circus hudsonius) 26 



Sharp-shinned Hawk (Accipiter velox) 32 



Cooper's Hawk (Accipiter cooperi) 38 



Goshawk (Accipiter atricapillus) 43 



Harris's Hawk (Parabuteo unicinctus harrisi) 47 



Red-tailed Hawk (Buteo borealis) 48 



Red-shouldered Hawk {Buteo Uneatus) 62 



Zone-tailed Hawk (Buteo abbreviatus) 71 



White-tailed Hawk (Buteo albicaudatus) 72 



Swainson's Hawk (Buteo sivainsoni) 72 



Cooper's Buzzard (Buteo cooperi) 79 



Broad-winged Hawk (Buteo latissimus) 79 



Short-tailed Hawk (Buteo bracliyurus) 83 



Mexicau Black Hawk ( Urubitinga anthraeina) 84 



Mexican Goshawk (Asturina plagiata) 85 



Rough-legged Hawk (Arcliibuteo lagopus sancti-johannis) 86 



Ferruginous Rough-leg (Arcliibuteo ferruglneus) 91 



Golden Eagle (Aquila clirysaetos) 93 



Bald Eagle (Haliceetus leucoceplialus) 97 



Gyrfalcons (Falco islandus et Falco rusticolus) 102 



Prairie Falcon (Falco mexicanus) 104 



Duck Hawk (Falco peregrinus anatum) 106 



Pigeon Hawk (Falco columbarius) 109 



Richardson's Merlin (Falco ricliardsonii) 114 



Aplomado Falcon (Falco fusco-cozrulescens) 114 



Sparrow Hawk (Falco sparverius) 115 



Audubon's Caracara (Polyborus cheriway) 128 



Osprey {Pandion Jialia'e'tus carolinensis) 130 



Barn Owl (Strix pratincola) 132 



Long-eared Owl (Asio ivilsonianus) 140 



Short-eared Owl ( Asio accipitrinus) 145 



Barred Owl (Syrnium nebulosum) 150 



Spotted Owl (Syrnium occidentale) 156 



Great Gray Owl (Scotiaptex cinerea) 157 



5 



