ILLUSTRATI O NS. 



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Plato 1. Swallow-tailed Kite {Elanoides forficatus) 20 



2. Mississippi Kite (Tctinia viississippiensiti) 24 



3. Marsh Hawk ( Circus It udsoniiis) 26 



4. Shaip-shinned. Hawk {Accipiter velox) 32 



5. Cooper's Hawk (Accijnter cooperi) 38 



6. Goshawk {Accipiter atricapillus) 43 



7. Eed-tailed Hawk (Buteo borealis) 48 



8. Red-shouldered Hawk (Buteo lineatus) 62 



9. Swainson's Hawk (Buteo sivainboni) 72 



10. Broad- winged Hawk (Buteo latissimus) 79 



11. Eough-legged Hawk (Archibuteo I. sancti-johannis) 86 



12. Ferruginous Rough-leg (Archibuteo ferrugineus) 91 



13. Golden Eagle (Aqaila chrysaetos) 93 



14. Bald Eagle (Haliwetus leucoceplialus) 97 



15. Duck Hawk (Falco peregrinus anatum) 106 



16. Pigeon Hawk (Falco columbarius) 109 



17. Sparrow Hawk (Falco sparverius) 115 



18. Osprey (Pandion haliaetus caroUnensis) 130 



19. Barn Owl (Strix pratincola) 132 



20. Long-eared Owl (Asio ivilsonianus) 140 



21. Short-eared Owl (Asio accipitrinus) 145 



22. Barred Owl (Syrnium nebulosum) 150 



23. Screech Owl (Megascops asio) 163 



24. Great Horned Owl (Bubo virginianus) 174 



25. Burrowing Owl (Speotyto cunicularia hypogcca) 189 



26. Dwarf Screech Owl (Megascops flammcolus idahocnsis) 173 



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