Affiliation: | (1) Canadian Wildlife Service, Western and Northern Region, 2nd Floor, 4999-98 Avenue, T6B 2X3 Edmonton, Alberta;(2) Department of Fisheries and Oceans, 501 University Crescent, R3T 2N6 Winnipeg, Manitoba;(3) Biology Department, University of Saskatchewan, S7N 0W0 Saskatoon, Saskatchewan;(4) Macdonald Raptor Centre of McGill University, 21111 Lakeshore Road, Ste. Anne de Belleview, H9X 1C0 Quebec;(5) Agriculture Canada, Halldon Building, 2555 Carling Avenue, K2B 7Z5 Ottawa, Ontario |