180 



THE HAWKS AND OWLS OF THE UNITED STATES. 



DESOBIPTION. 



Large and heavy. Ear tufts very conspicuous. Plumage irregularly 

 varied with buffy, tawny, whitish, and dusky, one or other of these 

 colors predominating in the different races. The buffy and tawny 

 tints are most marked in the typical bird, the dusky in the dusky 

 Horned Owl, and the white in the Arctic bird. 



Length: 18 to 25 inches (456 to 635"»"'); extent, 49 to 57 inches (1245 

 to 1448""'"); wing, 14.50 to 16 inches (368 to 406'"°>); tail, 8,25 to 9 

 inches (210 to 229">°'). 



Table showing the results of examinations of 1137 stomachs of the Great Horned Owl 



(Bubo virginianus). 



