86 

 157. Accipiter velox (Wils.). Sharp-shinned Hawk. 



Breeding Range — Whole of N. A. 



Winter Distribution — Southward to Guatemala. 



Common resident throughout Pennsylvania and New Jersey. 



158, Accipiter cooper i (Boxap.). Cooper's Hawk. 



Breeding Range — Whole of temperate N. A. 

 Winter Distribution — About the same. 



Common resident, especially abundant during the fall migration. 

 This is the most frequent breeder of" the larger Hawks in south-east- 

 ern Pennsylvania. 



159. Accipiter atricajnUm^ (Wils.). American Gos- 

 hawk. 



Breeding Range — Northern N. A. north of U. S., except in the higher 



mountains. 

 Winter Distribution — Southward to Middle States. 



Rare winter visi(;int. Dr. Warren has secured five specimens in 

 Chester county, Pa., during the past ten years, and one was sliot at 

 Kennett in the same county, January 1, 1872 {Forest and Stream, 

 VI., p. 67). In New Jersey one was secured by Dr. W. L. Abbott 

 in Cape IVIay county, January 22, 1879 {Cull Acad. Nat. Sci.), and 

 two others by Mr. W. E. D. Scott at Princeton, N. J., January 1 

 and 7, 1879 {B. N. 0. C, 1879). On the autliority of Mr. Otto 

 Behr, the Goshawk is given by Dr. Warren as a breeder in the 

 mountains of Sullivan county, Pa. 



160. Biiteo horealis (Gmel.). Red-tailed Hawk. 



Breeding Range — Eastern N. A. 

 Winter Distribution — TLe same. 



Common resident, but most abundant in winter, at which season 

 large numbers may be seen daily along the Delaware meadows and 

 other similar localities. In summer they seem to retire to the wilder 

 parts of the country or farther north to breed, as comparatively few 

 nests have come to our notice from southeastern Pennsylvania or 

 southern New Jersey. 



