Hawks 



335. Harris Hawk {TarabuUo unicinctm harrisi) 

 L. (j", 19; 9,32. Longer upper tail-coverts, base and 

 Up of tail white. Ad^. Shoulders, thighs and under 

 wing-coverts, reddish brown; under tail-coverts white. 

 Yng. Similar but streaked below with rusty, buff and 

 black; legs barred with white. NoUs, A long, harsh, 

 Buteo-like scream. (V.iBailey.) 



R^npe. ^Middle America from Panama nortll to southern Texas, 

 rarely Mississippi and soutfiern Calltornia. 



337. ^e.A-\a\\fA Ha\i\i [Bulen horralis] . L, [?, 20; 

 ?,23. Four outer primaries notched. Ads. Tail 

 rusty brown with a black band, sometiincb broken, 

 near its tip; below butfy white, a band ot spots across- 

 tlie belly; legs usually without bars. Yng. Tail gray- 

 ish brown with a rusty tinge and numerous blackish 

 bars; upper tail-coverts barred black and white; below 

 less bnffy than in adult; legs more often barred. Nnte^. 

 A shrill whistle, suggesting the sound of escaping 

 steam. 



Range. — Easiern Nonh America, west to the Great Plains, north lo 

 ubout latitude fio° ; bieeds throughout Its tange; winters from Mass- 

 achusetts. IlIluLii:»auJ Soulb D^i^ota suulliwaid. 



337a. KriderHawK {B. b. kriderii). Similar to^ 

 No. ?37, but nearly or wholly white below. Adi, 

 Usually without bla;k tail band. 



Range. — "Gf"e."it Plains uf UcilleJ Slater frum Minnesota to Texas;, 

 east irregularly ur i^asually to Iowa and aortheiTi Illinois. ^^ (Beiidire). 



337b. Western Bed-tail {B. b. calurus). Very 

 variable in color. j4ds. Sometimes sooty brown 

 above and below with more or less rusty; in light phase 

 resembles No, 3^7, but tail averages paler and some- 

 times has more than one bar; the underparts are deeper 

 and legs are usually bdfred with rusty. Yng. Similar 

 to Yng. of No. 337. but markings below heavier; 

 flanks more barred. 



Range — WeMPm Nnrth America from Rocky Mountains to Pacific; 

 nnrlh to British Columbia, south to central America; g^ntrallv resi- 

 dent. 



337d. Harlan Hawk (B, h. harlam). Ads. Above 

 sooty brown; tail closely mottled with blackish, rusty 

 and whitish; below varying from white, more or less 

 spotted on belly to sooty brown. Yng. Similar, but 

 tail barred with blackish, gray, rusty or whitish. 

 I 



Range.— "Gylf States and Lower Mississippi Vallev. north (ca?- 

 ually) to Kansas, low;i, Illinois and Pennsylvania; east to Georelft 

 and Florida." (Bendire). 



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