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Front matter OB Vol5#3 Dec1987
Ontario Birds

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Book Reviews, OFO Announcements
J. D. McCracken

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Sulphur-bellied Flycatcher: New to Ontario and Canada
Mark Gawn

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Breeding Bird Observations in Northwestern Ontario
Frederick M. Helleiner, Mary Anne McGeachy-Currie, and Katie Thomas

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Nest Building by American Crows
Tom Reaume

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Identification of Redshouldered, Broad-winged, Cooper's and Northern Goshawks in Immature Plumage
Bruce W. Duncan

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Notes
Martin K. McNicholl, T. D. Galloway, John R. Carley, and Donald S. Graham