BIRDS OF PREY 



313. Buo.vn-wiNGED Hawk. 

 But CO platypterus. 



Range. — North America, east of the Plains, 

 and from tlie British Provinces southward. 



;ii-l( 



(1 Hawk 



Grayish white 



A medium sized species, about 16 inches hi vmoii •m Kc 

 length, and with a short tail and broad rounded 

 wings; adults have the underparts liandsomely barred w^ith brown. Their nests 

 are usually built in large trees, but generally placed against the trunk in thv^ 

 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 1.90x1.5.5. 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. 



■'iH. SlIORT-TAILED HaWK. Butl'O brdck Ijll I'US. 



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 2.15x1.60. 



3t5. Mexican Black Hawk. Uriihltinga avlliraciiia. 



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 2.25x1.80. 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. 



213 



Cxrayi.sh white 



^^Ai 



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