. The Canadian field-naturalist. . 76 '81 '82 '83 '84 '85 '86 '87 '88 '89 '90 '91 '92 '93 '94 Year Figure 3. Reported annual mortality of Trumpeter Swans in British Columbia and the proportion of which were lead-poisoned, 1976-1994 (N = 186). Lead shot was banned in select waterfowl hunting areas in 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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