210 



THE USEFUL BIRDS 



Owls, whose eyesight is keenest during twilight and the early 

 hours before dawn, capture nocturnal species, which the former 

 is not apt to obtain. Again, the Owls are less migratory than 

 the Haw^ks, and during the long winter nights they remain in 



Boobook Owl. 



the land to wage incessant warfare against the httle enemies 

 of the orchard, garden, and harvest fields." — " Year-Book of 

 the U.S. Department of Agriculture — Hawks and Owls," 1895, 

 p. 216. 



