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AGRICULTURAL COLLEGE OF MICHIGAN 

 GENUS CIRCUS LACEPEDE. 



Ear parts of Circus. 



144-.'5.'ll-(489). Circus liudsonins (Linn.). *MARSH HAWK; MOUSE HAWK; HAKKIKI:. 

 Abundant; throughout the State; summer resident; " common in Monroe county" 

 (Jerome Trombley); "Mackinac Island*' (S. E. White); "Keweenaw Point'' (Kneeland); 

 breeds; nests on the ground; eggs three to six, greenish white, often spotted with 

 brown. We have taken the nests and young at this place. "This valuable bird 

 should be protected by law " ( J. B. Purdy). 



GENUS ACCIPITER BRISS. 



-832 (494). Accipiter velox (Wilg.). *SHARP-SHINNED HAWK. 

 Common; throughout the state; April to August; occasional in winter; "Iron 

 Mountain " (E. E. Brewster); " Keweenaw Point " (Kneeland); " Mackinac Island '' (S. E. 

 White); probably breeds; Dr. M. Gibbs writes me that it is not known to breed in 

 Kalamazoo county; nests in trees high up from the ground; eggs three to five, rarely 

 seven; "a single bird has been known to lay seventeen eggs in succession" (A. W. 

 Butler), bluish or greenish white, spotted at large end with brown. This is one of out- 

 most common small hawks, it is brave and takes toll of the fancier; " this and the 

 following species are the only two common hawks that are injurious'' (Dr. A. K. 

 Fisher); "too small 1 think to be clashed as a chicken hawk" (Prof. Ludwig Kumlein); 

 " I have seen it kill chickens" (S. E. White). 



Cooper's Hawk, natural size. 



1 4C-333-(495). Aceipiter cooperi Bonap. ^COOPER'S HAWK; CHICKEN HAWK. 



Very common; throughout the state; May to October; E. L. Moseley shot one at 

 Grand Rapids March 27, 1886; "Mackinac Island" (S. E. White); "Keweenaw Point" 



