80 Wyoming Bxperiment Station. 



"Mr. H. V. Henshaw says: 'Thfeir food consists almost 

 exclusively of field mice, of' which they kill vast numbers, a 

 fact which should earn them the protection of the farmer.' 

 (Report of the Chief of Engineers, U. S. A., p. 1311.) 



"Mr. Townsend Glover says : 'The stomach of one speci- 

 men of the Long-eared Owl in the collection contained the 

 skulls and bones of at least 8 field mice and therefore, when 

 about barns and granaries, these birds must be very useful.' 

 (U. S. Agl. Rept., 1865, p. 37.) 



"Capt. Charles E. Bendire, writing from Camp Harney, 

 Oregon, states: 'Their food consists principally of mice and 

 the smaller rodents.' (Ornithologist and Oologist, Vol. VI, 

 1882, p. 82.) 



"Dr. B. H. Warren gives the following: 'I have ex- 

 amined the stomachs of twenty-three Long-eared Owls and 

 found that twentj-two of them had fed only on mice ; the oth- 

 er examination made of a specimen taken late in the spring 

 showed some beetles and portions of a small bird.' (Birds of 

 Pennsylvania, 1888, p. 107.)" 



Jesurun reports them common at Douglas; Bond has 

 taken several specimens at Cheyenne; Williston published 

 the following note on this species at Lake Como: "In sage 

 brush near lake May 5th. Common. afterwards on Rock creek. 

 Nest May 31, two eggs, fresh. June 8, 5 eggs, fresh. June 

 10, 4 eggs, slightly incubated." Grinnell reports them from 

 Yellowstone park, 1875. Cary found a nest with young near 

 Newcastle June 3, 1900; Coues reports taking this species at 

 Powder and Popo Agie rivers. There are two skins in the 

 University collection that were taken on the Laramie plain. I 

 have taken this bird in every county in the state. 



367. Asio accipitrinus (Pall.). 

 Short-eared Owl. 

 Resident ; but rather uncommon. A valuable bird to any 

 community as the following will prove : 



