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 ly in the fanning or moderately wooded districts of every 

 county. It reaches its greatest abundance in the Carolinian 

 and Alleghanian life zones, growing rare in the northern 

 tier of counties. In sections of Montgomery, Bucks, and 

 ChesterCounties, the Crested Flycatcher is a very abundant 

 and noticeable bird, while in Center County, nearly every 

 orchard has its pair. 



456. Sayornis phoebe ( Lath .). Phoebe. 



The well known Phoebe or Pewee is common thruout 

 the entire state, sharing with the Robin, Bluebird, and 

 Grackel the honor of being among the early spring arrivals. 

 It is not a very abundant breeder in northern Philadelphia 

 County but is generally distributed and nests commonly in 

 all the counties. Practically all my correspondents have 

 reported the Phoebe as one of the most abundant breeding 

 birds. 



459. Nuttallomis borealis (Swains.). Olive-sided Flycatcher, 



This large flycatcher, tho breeding yearly in the 

 heavily timbered regions of the mountainous counties lying 

 within the Canadian life zone, is nevertheless one of the 

 rarest species which make Pennsylvania its summer home. 

 Dr. Warren gives it as a possible nester in Lycoming and 



