ORNITHOLOGIST 



— AND — 



OOLOGIST. 



$i.oo per 

 Annum. 



PUBLISHED BY THE FRANK BLAKE WEBSTER COMPANY. 



ESTABLISHED MARCH, 1875. 



Single Copy 

 10 cents. 



Vol. XVIII. 



HYDE PARK, MASS., MARCH, 1893. 



No. 3. 



Distribution of Cooper's Hawk in 

 Illinois. 



J. E. Dickinson. No. 31. 



Summer resident ; common. 



Arrives first week in April, leaves middle 

 of October. One specimen, December 11, 

 1891, and one January 13, 1893. 



Nests, usually in groves of black scrub 

 oak, sometimes in the edge of the larger 

 timber; but always in a black scrub oak, 

 usually placed near the trunk, 20 to 40 feet 

 high. 



Nest composed of dead limbs and twigs, 

 lined with smaller twigs and rootlets. An 

 old Crows' nest is rarely used when the first 

 nest has been destroyed. 



Complete sets — first week in jNIay (earli- 

 est May 3), and always consists of 3 eggs. 

 Color of eggs, light blue, sometimes marked 

 with red. 



Average size, 1.98x1.50; largest, 2.05 x 

 1.54; smallest, 1.92x1.45 — average from 

 1 2 specimens. A second and third attempt 

 will be made to nest if the previous sets are 

 destroyed, the second set being complete 

 about the middle of the month, and the 

 third the last of the month (earliest third 

 set is May 24). 



Common names, " Chicken Hawk " or 

 " Pigeon Hawk." 



Food, young poultry and birds ; not much 

 of a mouser. 



F. A. Grefforv. No. 3. 



Summer resident ; tolerably common. 



Nests in May (May 24, 1S90, 1-3) in 



40 feet from the 

 with grape and 



black oak. Sometimes uses old Crows' 

 nest ; 3 eggs, light bluish. 



W. E. Pratt, Nos. 6, 7. 



Nests ; common. 



Nests found (April 27, 1-2 ; May i, T-4 : 

 May 2, 1-2) in old nest of Red-tail Hawk, 

 (May 15, 1-3, 1-5; May 21, 1-5). 



O. H. Sxvazey. No. 6. 



Resident ; tolerably common. 



Nests commonly in the timber, but is not 

 particular as to the density or its remoteness 

 from houses. 



Nest built in a crotch of a tree, usually 

 the black oak — average 

 ground — of stick lined 

 other bark. 



Eggs laid in May, 2 to 4 in numljer. 



Whitish, sparingly blotched with drab. 



Gordon Schanck. No. 6. 



Summer resident ; occasional resident. 



Arrival, February 15 to March 15 ; de- 

 parture, October to December. 



Very common. 



Nests commonly on either high or low 

 ground near edge of woods or clearing. 



Nests in any kind of high timber from 20 

 to 50 feet, composed of sticks and roots, 

 lined with grass, bark, and cornstalks. 



Date from April 15 to May 30. 



Number of eggs usually 4, sometimes 2. 



Incubation, 3 to 4 weeks. 



Usually greenish white, very seldom 

 marked ; only 3 in 1 3 were marked a very 

 faint reddish brown ; but when incubated a 

 dull white. Measure, largest, 2.08x1.60; 

 smallest, 1.85 x 1.45 ; average, 1.90 x 1.52. 



Copyright, 1893, ty Frank Blake Webster Company. 



