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Full Issue
Ontario Field Ornithologists

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Cover
Barry Kent Mackay

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Table of Contents
Ontario Field Ornithologists

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Ontario Bird Records Committee Report for 2023
N. Anthony Kaduck, Nicole M. Richardson, Alvan D. Buckley, Amanda C. Guercio, Kiah R. Jasper, Dan J. Macneal, Michelle A. Martin, and David E. Szmyr

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Photographic Confirmation of Dark-winged Variant Bonaparte’s Gull in Canada
Mick Dryden

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A Review: Tree Swallows as Indicators of Environmental Contaminants
Kailee Hopkins, Melissa McKinney, and Kim Fernie