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36-40 OB Vol7#1 Apr1989
Ontario Birds

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Book Reviews
Daniel F. Brunton, David Brewer, and W. J. Crins

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The Ontario Great Gray Owl Invasion of 1983-1984: Numbers, Dates, and Distribution
Ross D. James

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Observations of Common Raven in Metropolitan Toronto
Beth Jefferson

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Frequency of Winter Bird Occurrence at an Urban Conservation Area
Kenneth W. Dance

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Intraspecific Aggression and Nest-Site Tenacity by European Starlings
A. P. Sandilands

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Notes
Ron Pittaway, Allan Harris, Chris Blomme, Geoffrey Carpentier, Bruce W. Duncan, and Janet E. Snaith