26 



the whole state, hut owing to constant persecution is 



growing very rare as a breeder, especially in the more 



settled portions. In southeastern Pennsylvania, this Hawk 



is practically exterminated as a breeder in Philadelphia, 



Delaware, and Chester Counties, while the same is true in 



the southwestern portions of the state. In the northern 



tier of counties, it still breeds hut is never common. 



Mr. Simpson writes me as follows:- "Regular but not common 



in Warren County as a breeder, tho I have taken a number of 



sets." Mr. Thomas H. Jackson writes me that he collected 



sets of Sharp-shinned Hawk in Chester County 6n May 51, 1887 



and June 6, 1896, while a set was taken near Berwyn by 



Dr. Rotzell on May 23, 1889. In Berks County several sets 



have been taken near Fleetwood by Messrs. Lefebelsberger 



and Gruber, and in Northampton County by Riecksecker. In 



Pike County, I found a nest with four young and an addled 



egg on July 18, 1909. Mr. J. Warren Jacobs writes me that 



two 

 it is rare in Green County. He has one set of£eggs taken 



May 21, 1892 and found a nest with five young, June 21, 1894, 



In Somerset, Bedford, Fulton, and most of the wilder 



counties, it still breeds rarely, but not so often as it 



does in the northern counties, tho it is scarce even there. 



333. Accipiter cooperi ( Bonap . ) . Cooper's Hawk. 



Among the various Hawks which rear their young 



