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AGRICULTURAL COLLEGE OF MICHIGAN. 

 Genus CIRCUS Laoepede. 



Ear parts of Circus. 

 144-331-(489). Circus liudsonius {Linn.). *Marsh Hawk; Mouse Hawk; Harrier. 

 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 Beiss. 



145-332-(494). Accipiter velox (Wils.). *Sharp-shxnned 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 our 

 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 classed as a chicken hawk" (Prof. Ludwig Kumlein); 

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



Cooper's Hawk, natural size. 



146-333^(495). Accipiter 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" 



