Jax., 1909. Birds of Illinois and Wiscoxsix — Cory. 



459 



Goshawk (adult). 



Immature: Upper plutnage, brown, the feathers narrowly mar- 

 gined with buff and buffy white; crown, tawny, streaked with brown; 

 under parts, buffy white, streaked with dark brown; upper surface 

 of primaries barred with darker brown; under surface of primaries 

 barred with brown and brownish white; tail with broad bars of 

 brownish gray and dark brown, usually with white tips. 



Male: Length, 20 to 23; wing, 12 to 13.40; tail, 9.60 to 10.50; 

 tarsus, 2.65 to 3. 



Female: Length, 22 to 25; wing, 13.25 to 14.25; tail, 11 to 12.25; 

 tarsus, 2.70 to 3.10. 



The large size of this hawk will distinguish it from others which 

 somewhat resemble it in immature plumage. 



This fine, large Hawk is a rather rare winter visitant or resident 

 in Illinois and Wisconsin, although apparently more common in the 

 latter state. There are numerous records of its occurrence and cap- 

 ture and the writer saw an adult bird of this species in Jackson Park, 

 Chicago, in February, 1907. According to the older writers it was 

 formerly more common. Barry states that in the early fifties a friend 

 of his shot twenty in one season. 



Mr. E. W. Nelson took a specimen at Waukegan, May 3, 1876, and 

 states that Dr. A. L. Marcy found it quite plentiful near Evanston 

 during the winter of 1870-1871. Mr. Frank M. Woodruff took an adult 

 male at Beverly Hills, March 30, 1880 (Birds of the Chicago Area, 



