162 



North Amkkicax Birds Eggs. 



34 1. Sennett White-tailed Hawk. Iliifio <tUiii-(tiiilatus sciinctfi. 



i\anu('. — Mexican border of the 

 I'liited States and southward. 



A lari^e, liandsome Hawk which 



may be identitietl by its (hirk up- 



i pcrparts and white underparts and 



tail, the Hanks and tail beinj? 



, . liiciitly i)arred with grayish; the 



» shoulders are cliestnut. It is es- 



pecially abuntiant in the southern 

 |s' parts of Texas, where it builds its 



. v*^^ Jartje bulky nests of sticks and 



, weeds, lined with grasses, leaves 



and moss. They nest in Marcli and 

 April laying two, or rarely three, 

 eggs which are a dull white, and 

 generally immaculate, l)ut occasion- 

 ally faintly or sparingly spottetl with 

 brown. Si/e of eggs, 2.25 x 1.80. 



I ml I w hitcl 



342. Swainson Hawk. liuico .^wainsoiti. 



Kange— t'entral and western North America, from the Mississippi Valley and 

 Hutlson Bay, to the Pacific coast, breeding throughout its range. 



Tn the greater part of its range, this 

 is the most aliundant of the Hawk - _ -^ 



family. Its plumage is extremely 

 variable, showing all the intergrada- 

 tions from a uniform sooty blackish 

 to the typical adult plumage of a gray- 

 ish above, and white below, with a large 

 breast patch of rich chestnut. Their 

 nesting hal)its are as variable as their 

 plumage. In some localities, they 

 nest exclusively in trees, in others, 

 indifferently u|)on the ground or rocky 

 ledges. The nest is the usual Hawk 

 structure of sticks; the eggs are white. 

 variously splashed and spotted with 

 reddish l)rown and uml)er. Size 2.20 

 xl.70. Data. — Stark (\)., N. I)., Mav 

 21, 1897, Nest of sticks, lined with weeds 

 in an asli tree, ("ullector. Hoy Dodd. 



343. Broad-winged Hawk 

 i\ange. — Nurth America, east of the Tlain 



southward. 



Hiitro jihifyiifmis. 



an 



[White.] 



i fnim the Hritisli Provinces 



|(irayish white. 



A medium sized six'cics, about It! inches 

 in length, and with a short tail and l)road 

 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 oi' some of the lower branches. It is 

 made of sticks and almost invariably lined 

 with bark. The two to four eggs are of a 

 grayish white color, marked with chestnut 

 iirown and stone grav; Size 1.90 x 1.55. 

 Data. —Worcester,' !\lass.. May Ki, 1S95. 

 Nest about 20 feet up in a large cliestnut tn-e. 

 The birds continually circled overhead, 

 their weird cries sounding like the creak- 

 ing of branches. Collector, A. J. White. 



