30 SEVENTH REPORT OF THE FOREST, FISH AND GAME COMMISSION, 



Long-Eared Owl {Asio tvilsonianus). — Even the excellent record of the Short- 

 Eared Owl is excelled by that of the present species. 



Snniinary of the Contents of loy Stomachs of the Long-Eared Owl. {From Fisher.) 



I stomach contained a game bird. 

 15 stomachs contained other birds. 

 84 stomachs contained mice. 



5 stomachs contained mammals. 



I stomach contained insects. 

 15 stomachs were empty. 



Dr. T. H. Montgomery, Jr.'s study of the food habits of four individuals of this 

 species, which roosted in an arbor vitae tree growing at his home near Philadelphia,* 

 showed that the food of each individual averaged nearly two mice per day. 



Screech Owl {Megascops asid). — It has been shown that among our Hawks 

 some species feed so largely upon insects as to be classed among the insectivorous 

 birds, and so among our Owls we find that certain species subsist to a great extent 

 upon insects. This will be evident on examination of the following summary of 

 the food of our little Screech Owl : 



Summary of the Contents of 2^§ Stomachs of the Screech Owl. (From Fisher^ 



1 stomach contained poultry. 



38 stomachs contained other birds. 



91 stomachs contained mice. 



1 1 stomachs contained other mammals. 



2 stomachs contained lizards. 



4 stomachs contained batrachians. 



1 stomach contained fish. 

 100 stomachs contained insects. 



5 stomachs contained spiders. 

 9 stomachs contained crawfish. 



7 stomachs contained miscellaneous matter. 



2 stomachs contained scorpions. 



2 stomachs contained earth worms. 

 43 stomachs were empty. 



* The American Naturalist, i8gg, p. 563. 



