Hawks and Caracara 



340. Zone-tailed Hawk {Buteo abbreviatus) . L.J*, 

 19; j . 21. AJs. Tail with liltle if any white tip; 

 itunr webs of all but "Riddle fe ithers with 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 rusty; rest 

 of underparis 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- 



345. Mexican Black Hawk {Urubitinga anthracina). 

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

 broad white band across all the feather^. Yng. Above 

 brownish black, buff and rusty; below buffy striped 

 with blackish; tail with several black and whitish bars. 

 Notes. Piping cries like the spring whistle of Numenius 

 longirost ris. ( B e n d i re . ) 



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 witli 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 butty. 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 littosus). 

 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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