53 



Ad. plumage not scon ; iiniii. bJack, abcloiueu 



fsoiiKMvhat barred with buff ; tail witli in- 



distinet darker barb. [Tring Mus.] 



Buteo albicaudatus coloniis Berl.. Ji.O. 1892, Curagao, 



p. 91. \CHra(/ao.] Bonaire, & 



Curacao Wliite-tailed Hawk Aruba Is 



Gen. XXXII. AKCHIBl'TKO Breliin (1828) 



W ith characters and appearance of Buleu, but 

 tarsi feathered to the toes. 



Length ^ 26, wing 18.7 in. ; $ length 22,5, 

 "wing 17 in. ; above deep brown with paler 

 margins ; head, neck, throat and chest white, 

 streaked with dark brown ; scapulars and 

 least wing-coverts with white bases ; upper 

 tail-coverts banded with Avhitc ; tail white, 

 terminal portion ashy, with sub-terminal 

 blackish band : centre of belly and flanks 

 deep brown mottled with white ; thighs and 

 tarsi buflfish-white, barred with brown ; 

 much variation occurs, some birds being 

 much darker, almost uniform below. 



Archibvteo lago'pus lagopus (Gmel.), S.N., i., p. 

 260 (1788). [ex Brnnn. ; Christiansoe near 

 Bornhohn.] 

 Rough-legged Buzzard. 



Much paler ; plumage above with broad white 

 margins ; streaks on throat and breast and 

 thighs nuich narrower and paler ; Tipper tail- 

 coverts white with a central streak of brown. 

 153a. Archibvteo lagojyus paUidus (JMenzb.), Orn. 

 Turkest., i., p. 163 (1888). [Siberia, Turkestan, 

 etc.] 

 Siberian Rough-legged Buzzard. 



]Much darker and more ochraceous below 

 normally than A. I. lagopus and varying in 

 melanistic examples to nearly uniform black. 

 153b. ArchibtUeo lagopus sancti-joJiannis (Gmel.), 

 8.N., i,, p. 273 (1788), [Hudson Strait and 

 Neirfoi(7idla7id.] 

 American Rough-legged Buzzard. 



N. Europe 

 and N. Asia; 

 in winter S. 

 to Mediter- 

 ranean, 

 Black Sea and 

 Caspian. 



Siberia, 

 Turkestan, 

 Kamtschatka 

 Ussuri. 



N, America, 

 N, of Mexico, 

 breeding N. 

 of U.S 



