32 CHECK LIST OF THE 
This owl is sometimes very common in the autumn, about the low 
meadows and marshes. In such places I have found them also during 
the winter at times. 
It probably breeds in the interior of the Province. 
Genus SYRNIUM. 
152. Barred Owl. 
(Syrnium nebulosum.) 
A few of these birds generally occur in the southern parts of the 
Province every autumn, but I have not heard of its being observed at 
any other season. Probably resident in the mterior. 
Genus SCOTIAPTEX. 
153. Great Grey Owl. (Cinereus Owl.) 
(Scotiaptex cinerea.) 
A winter visitor. A few being found here nearly every season. 
Probably resident in the northern part of the Province. 
Genus NYCTALA. 
154. Richardson’s Owl. 
(Nyctala tengmalmi richardsoni.) 
A winter visitor from the far north, seldom seen in southern 
Ontario. 
155. Saw-whet Owl. 
(Nyctala acadica.) 
An irregular winter visitor, sometimes occurring in considerable 
numbers, and sometimes absent. 
Probably breeds in the interior of the Province, as it is said to do 
so from Illinois northward. 
Genus MEGASCOPS. 
156. Screech Owl. 
(Megascops asio.) 
A common resident in southern Ontario, breeding throughout its 
range. 
A very useful bird, feeding almost entirely on mice and insects. 
Genus BUBO. 
157. Great Horned Owl. 
(Bubo virginianus.) 
A common resident, breeding throughout its range. 
