. The Canadian field-naturalist. Natural history. 2001 Gumming, Hobson, and Van Wilgenburg: Breeding Bird Declines 429. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky