Nocturnal Owl Survey
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The following species accounts were prepared by Bird Studies Canada for Ontario Nocturnal Owl Survey participants. Each account includes a map showing the breeding distribution of each species. Please keep in mind that these ranges are approximations based on data collected from the Ontario Nocturnal Owl Survey and the Ontario Breeding Bird Atlas. Nevertheless, these maps will provide you with a good indication of which species you might expect to find in your area. Thanks to Jody Allair, Bill Allen, and Jim Flynn for the use of their wonderful owl photos.

To download the species' account, click on the appropriate name (Adobe Acrobat required).

Barn Owl
Eastern Screech-Owl
Great Horned Owl
Snowy Owl
Northern Hawk-Owl
Barred Owl
Great Gray Owl
Long-eared Owl
Short-eared Owl
Boreal Owl
Northern Saw-whet Owl

Other Species

Ruffed Grouse
Common Snipe
American Woodcock

References:

Cadman, M.D., P.F.J. Eagles, and F.M. Helleiner (Eds.). 1987. Atlas of the Breeding Birds of Ontario. University of Waterloo Press, Waterloo, ON.

Terres, J.K. 1980. The Audubon Society Encyclopedia of North American Birds. Random House, Inc., New York.

The Birds of North America. Nos. 10 (D.F. Parmelee, 1992), 41(E.L. Bull and J.R. Duncan, 1993), 42 (R.J.Cannings, 1993), 62 (D.W. Holt and S.M. Leasure, 1993), 63 (G.D. Hayward and P.H. Hayward, 1993), 133 (J.S. Marks et al., 1994), 372 (C.S. Houston et al., 1998), 508 (K.M. Mazur and P.C. James, 2000). The Birds of North America, Inc., Philadelphia, PA.

 All Photos Copyrighted by Ron Ridout