Cover
Front matter OB Vol8#2Aug1990
Ontario Birds
Back matter OB Vol8#2Aug1990
Ontario Birds
Book Review
Book Reviews
William C. Mansell and Bob Curry
Contents
Finding the Phantom Spruce Grouse
Ron Tozer and Ron Pittaway
Roof-nesting by Ring-billed Gulls and Herring Gulls in Ontario in 1989
Hans Blokpoel, Wayne F. Weller, Gaston D. Tessier, and Blake Smith
Identification and Status of Bald Eagles, Golden Eagles, Turkey Vultures, and Black Vultures in Ontario
Bruce W. Duncan
Nesting of White-winged Crossbills in Oxford County
James M. Holdsworth and Don S. Graham