#4135. 
136. 
70 
Wing ¢ 355-60, 2 390-405 mm.; tarsus 
feathered about half-way down in front ; 
plumage above purplish brown, with ruf- 
escent margins ; tail with 4 or 5 almost 
obsolete darker bars ; below rufous, abdo- 
men buffy-white, barred with rufous. 
(Young: above with whitish edgings ; 
below pale buff, finely streaked on breast 
and blotched on abdomen with dark brown, 
usually with a zone resembling that of 
lagopus). 
Buteo swainsoni Bonap. [ex. Aud. pl. 372] 
Geogr. and Comp. List, p. 3 (1838). [Near 
the Columbia River.] 
Swainson’s Hawk. 
Wing (N. American average), ¢ 371, 2 399 
mm. ; wing (S. American average), ¢ 378, 
2 412 mm.; first 3 primaries notched ; 
above dark-brown to slate-brown with 
paler edgings ; tail with 10 or 12 darker 
cross-bars, the sub-terminal broad ; throat 
white, chest light rufous to deep chestnut 
or brownish black ; lower parts buffy-white 
more or less barred with rufous (sometimes 
closely and entirely covered); uniform 
sooty-brown or blackish varieties occur. 
Buteo oreophilus Hart. and Neum., Orn. 
M.B. xxii., p. 31 (1914). [Koritscha, Djam- 
Djam, S. Abyssinia.) 
E. African Buzzard. 
Wing ¢ 330, 9 340 mm. ; tail pale brown 
with about 8 darker bars ; below whitish, 
spotted and blotched lengthwise with dark 
brown ; thighs buffish, barred with dark 
brown. 
N. and S. 
America, from 
Alaska to Chile. 
Mountains of 
E. Africa ; 
Abyssinia and 
Uganda to 
the Cape. 
