Institution: | 1. Bird Studies Canada, 115 Front Rd., P.O. Box 160, Port Rowan, ON, N0E 1M0, Canada 2. Bird Studies Canada, 17 Waterfowl Ln., P.O. Box 6227, Sackville, NB, E4L 1G6, Canada 4. Canadian Wildlife Service, Environment Canada, 867 Lakeshore Road, Burlington, ON, L7R 4A6, Canada
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