870 THE STUDY OF lilRDS IN THE FIELD 



G. A medium-sized, conspicuously eared owl (ear tufts 1 inch long), 

 with dark brownish back mottled with white and orange. The 

 lower parts buffy, streaked on the breast, and barred on the sides 

 and belly American Long-eared Owl, p. 185. 



G. A medium-sized, inconspicuously eared owl, witii both breast and 



belly streaked. The general plumage is dull orange to buffy 



Short-eared Owl, p. 185. 



Key to the Hawks, etc. 



The numbers refer to the pages where the birds are described. 



* Bird of prey, with long, deeply forked tail.i Swallow-tailed Kite, p. 190. 



* Small, less than 14 inches long. (E.) 



* Large hawks, 14-25 inches long. (A.) 



* Very large birds of prey, over 25 long. .Eagles, p. 205. Vultures, p. 212. 

 A. Hawk with densely feathered legs ; plumage usually dark-colored. . 



American Rough-legged Hawk, p. 204. 



A. Tarsus bare for at least one third ils Itiigtli. (B.) 

 B. Plumage with a conspicuous amount of ruisty reef. (D. ) 

 B. Without rusty red. (C.) 



C. A long-tailed hawk, with the upper tail coverts entirely white. An 



inhabitant of mar.-<hy places Marsh Hawk, p. 198. 



C. A fishing hawk, with the head, neck, and lower parts white. This 

 bird is usually seen flying over large bodies of water and frequently 



dashing down for its fish food American Osprey, p. 211. 



C. All upper parts slate-colored and nearly uniform ; the sides of head 



with peculiar " mu.stache " blotches Duck Hawk, p. 208. 



D. Shoulders conspicuously rusty red ; tail black, with alidut four broad 



white bands, and white tip Red-shouldered Hawk, p. 201. 



D. Tail rusty red, with a narrow black band near the tip, but the tip 

 white ; upper breast streaked buffy and brown ; lower belly white, 



without streaks Red-tailed Hawk, p. 200. 



D. A blackisli-crowned, medium-sized hawk, with a nuich rounded ashy- 

 gray tail crossed by blackish bands and a white tip 



Cooper's Hawk, p. 199. 



D. A medium-sized hawk, with the under parts heavily barred with rusty 



buff Broad-winged Hawk, p. 208. 



E. A long-tailed, bluish-gray-backed hawk, with the lower parts whitish, 



barred on the sides and breast with ru.-<ty red or brown 



Sharp-shinned Hawk, p. 198. 



E. A very small hawk, with much rusty red on tiir back and usually 



on the crown American Sparrow Hawk, i). 210. 



E. A small hawk, with slaty -blue back, a rusty collar on the neck, and 



about three whitish bars on the tail, and a white tip 



Pigeon Hawk, p. 208. 



