BIRDS OF PREY 
343. Broad-winged Hawk. 
Buteo platypterus. 
Range. — North America, east of the Plains, 
and from the British Provinces southward. 
Grayish white 
American Rough-legged Hawk 
A medium sized species, about 16 inches in 
length, and with a short tail and broad rounded 
wings; adults have the underparts handsomely barred with brown. Their nests 
are usually built in large trees, but generally placed against the trunk in the 
crotch of some of the lower branches. It is made of sticks and almost invari- 
ably lined with bark. The two to four eggs are of a grayish white color, mark- 
ed with chestnut, brown and stone gray; size 1.90 x 1.55. Data. — Worcester, 
Mass., May 16, 1895. Nest about 20 feet up in a large chestnut tree. The birds 
continually circled overhead, their weird cries sounding like the creaking of 
branches. Collector, A. J. White. 
344. Short-tailed Hawk. Buteo hrachyurus. 
Range. — A tropical species, which occurs north to the Mexican border and 
regularly to southern Florida, where it breeds in the large cypress swamps. Its 
eggs are pale greenish white, sparingly spotted with brown, chiefly at the large 
end. Size 2.15 x 1.60. 
345. Mexican Black Hawk. Urubitinga anthracina. 
Range. — Mexican border of the United 
States and southward. 
A coal black species about 22 inches in 
length, distinguished by the white tip, 
and broad white band across the tail 
about midway. This is one of the least 
abundant of the Mexican species that 
cross the border. They are shy birds and 
build their nests in the tallest trees in 
remote woods. Their two or three eggs 
are grayish white, faintly spotted with 
pale brown; size 2.25 x 1.80. Data. — -Los 
Angeles County, Cal., April 6, 1889. 
Nest of sticks, lined with bark and 
leaves; 45 feet up in a sycamore tree. 
Collector, R. B. Chapman. 
grayish white 
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