BIEDS OF EAST PENNSYLVANIA. 



Cooper's Hawk. . . 

 Sharp-shinned Hawk. 



Eed-tailed Hawk. . . 



Eed-shouldered Hawk. 



Broad-winged Hawk. . 

 Eough-legged Buzzard. 

 Black Hawk 



Marsh Hawk. 



nest in Pennsylvania. It is distinct 

 from A. palumbarius of Europe. (W.) 



Accipiter Cooperii. Plentiful. It 

 nestles on the mountain ridges of 

 tlie AUeghanies. 



Accipiter fuscus. Slate-coloueed 

 Hawk. Abundant, building its 

 nest on trees, but one was found, 

 near Philadelphia, on the edge of a 

 high rock. 



Biiteo horealis. Hen Hawk. Chicken 

 Hawk. Common. Much more fre- 

 quent in Autumn and Winter, haunt- 

 ing meadows and cultivated districts. 



Buteo lineatus. Winter Falcon. 

 Common, and especially along the 

 sea-shore, but most abundant in 

 Winter. 



Buteo Fennsylvanicus. Eare. This 

 Hawk is also more frequently seen 

 in Wintei'. 



Archihuteo lagopus. Not uncommon. 

 May be seen coursing along rivers 

 and marshes in Winter. (W.) 



Archihuteo Sancti-'Johannis. . Eather 

 rare. It is generally found sailing 

 at a low flight over the marshy flats 

 of the Delaware and other large 

 rivers.. This is a northern species, 

 but its nest has been once found in 

 New Jersey. (W.) 



Circus Hiidsonius. Mouse Hawk. 

 Haeeiee. Abundant on the salt 

 marshes of the Jersey coast and on 

 Jib£ Delaware. It seems more com- 

 mon in Winter, and is seldom met 

 with in mature plumage. It is 

 somewhat larger than Circus cyaneus 

 of Europe, but closely allied. 



