Hawks and Caracara. 



340. Zone-tailed Hawk {Buteo afybreviatus) . L. $> 

 19; $,21. Ads. 'IV.! with little if any white tip; 

 inner webs of all but nrrddle fe ithers w.th black and 

 white bars. Yng. Brow ner; tail grayish brown; white 

 on inner webs, with numerous blackish bars. Notes. 

 Not unlike those of Buteo borealis. (Belding.) 



Range.— Tropical America north to southern Texas, southern Ari- 

 zona and southern California. 



344. Short-tailed Hawk {Buteo bracbyurus). L. 

 17; T. 7. Ads. Above slaty gray, tail barred with 

 black and tipped with white; sides of breast ru>ty; rest 

 of underparts white. Dark phase. Blackish, forehead 

 whitish; tail lighter than back, barred with black. 

 Yng. Above blackish brown, below cream buff, 

 without black markings. Notes. Somewhat resemb- 

 ling the scream of the Red-shouldered Hawk, but more 

 prolonged. (Pennock.) 



Range.— Tropical America, north to eastern Mexico; rare in Flori- 



da. 



345. Mexican Black Hawk (Urubitinga anthracina). 

 L. c5\ 19; 9,2i. Ads. Tail with a white tip and 

 broad white band across all the feathers. Yng. Above 

 brownish black, buff and ru>ty; below buff/ striped 

 with blackish; tail with several black and whitish bars. 

 Notes. Piping cries like the spring whistle of Numenius 

 longirostris. (Bendire.) 



Range.— "Tropical America in general, north to central Arizona, 

 and the Lower Rio Grande Valley in Texas." (Bendire). 



362. Audubon Caracara {Polyborus cheriway). 

 L. 22. Tail white with a black end and numerous 

 black bars. Ads. Breast and hindneck barred; belly 

 black. Yng. Crown, back, and belly dark brown; 

 hindneck, breast and belly streaked with buffy. Notes. 

 Generally silent, but sometimes utters a prolonged 

 cackling note. (B. F. Goss.) 



Range.— Northern South America, north to southern Texas, south- 

 ern Arizona and Lower California; interior of southern Florida; resi- 

 dent. 



363. Guadalupe Caracara {Tolyborus lutosus). 

 Resembles No. 362, but has rump and upper tail-cov- 

 erts dull brown, sh buff broadly barred with dull brown; 

 tail brownish buff with broad bars of grayish brown 

 bordered by narrower zigzag bars or lines of dusky; 

 terminal band less than 2.00 wide. (Ridgway.) 



Range.— Guadalupe Island, west of Lower California. 



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