SCREECH OWL. 



373. Otus asio asio. 9 l / 2 in. 



Two color phases, one with gray upper 

 parts and the other with the upper parts 

 bright reddish-brown. Both streaked and 

 barred with black as shown. Prominent ear 

 tufts. 



Note. A wavering trill. 



Nest. In cavities. Eggs pure white. 



Range. Eastern North America. From 

 New Brunswick, Ontario and Minn, south- 

 ward. Florida Screech Owl occurs in the 

 South Atlantic and Gulf States. 



GREAT HORNED OWL. 

 375. Bubo virginianus virginianus. 23 in. 



Large ear tufts. Plumage mottled and 

 barred with brown, gray and black. Very 

 strong and powerfully built. 



Note. Dismal hooting; a harsh scream. 



Nest. in hollow trees or in old hawk or 

 crow nests. Eggs white. 



Range. Throughout eastern U. S. and 

 southern Canada. 117 



