Hawks 



356. Duck Hawk (Falco peregrbius anatum). L. 



cT, 16; 5, 19. Sides of throat black. Ads. Above 

 bluish slate; below huffy. Yng. Above blackish 

 margined with rusty; tail with broken rusty bars and 

 whitish tip; below deep rusty buff streaked with black- 

 ish; under surface of wing uniformly barred. Notes. 

 Loud screams and noisy cacklings. (Bendire.) 



Range. — Western Hemisphere; breeds locally from Southern States 

 to Arctic regions; winters from Northern States southward; more 

 common west of Rocky Mountains. 



356a. Peale Falcon (F. p. pealei). Ads. Crown 

 uniform with back; chest heavily spotted with blackish; 

 bars of remaining underparts very broad. (Ridgw.) 



Range. — "Pacific coast region of North America from Oregon to the 

 Aleutian and Commander Islands, breeding throughout its range." 

 (A. O. (J.) 



357. Pigeon Hawk \Falco columbarius) . L. rj\ 

 105; 9, 13. Two outer primaries notched. Ad. cf. 

 Above slaty blue; middle tail feather with not more 

 than /o/<r black bands. Ad. $ and Yi/g. Above dark 

 blackish brown; bars in middle tail feather five or less - , 

 below more heavily barred than in (j\ 



Range.- North America; breeds chiefly north of United States from 

 Rocky Mountains and westward; breeds from Colorado and California 

 mi-th to Alaska; w ! nters from Gulf States, Colorado and California, 

 soutn to northern South America. 



357a. Black Merlin (F. c. suckleyi) . SimilartoNo. 

 357, but much darker above and more heavily marked 

 below; bars on tail and under side of wing nearly ob- 

 solete. 



Range. — Pacific coast from northern California to Sitka; east to 

 eastern Oregon and Washington. 



358. Richardson Merlin (Falco richardsonii) . Re- 

 sembles No. 357, but is paler and has the central tail 

 feather crossed by six light bars, counting the terminal 

 one. 



Range. — Interior of Nortn America from eastern border of Great 

 Plains west; rare west of Rockies; north to, at least, latituce 53 ; 

 south to Mexico. 



359. Aplomado Falcon (Falco fusco-ccerulescens) . 

 L. d\ 16; 9, 17-5- Middle of belly black. Ads. 

 Above slaty gray; breast buff, lower belly rusty. Yng. 

 Similar but grayish brown above, belly paler. 



Range. — South and Central America north to southern border of the 

 United States. 



3 60. Sparrow Hawk (Falco sparverius). L. 10; 



9, it. Ad. cf. Tail with one black bar; below 

 spotted. Ad. ?. Whole back barred; tail with num- 

 erous black bars: below streaked. Notes. A rapidly re- 

 peated killy-killy-kilh , usually uttered while on the 

 wing. 



Range. — Eastern North America west to Rocky Mountains; breeds 

 from Gulf States to Hudson Bay; wintsrs from southern Illinois and New 

 Jersey southward. 



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