Female Bluethroats (Luscinia S. Svecica) Regularly Visit Territories of Extrapair Males Before Egg Laying
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چکیده
KvYr, E. 1976. Whooping Cranes: The long road back. Nature Canada 5(2):2-8. KvYr, E. 1981a. Clutch size, hatch success, and survival of Whooping Crane chicks, Wood Buffalo National Park, Canada. Pages 126-129 in Crane research around the world (J. C. Lewis and H. Masatomi, Eds.). International Crane Foundation, Baraboo, Wisconsin. KvYr, E. 1981b. Population status, nest fidelity, and breeding habitat of Whooping Cranes. Pages 119125 in Crane research around the world (J. C. Lewis and H. Masatomi, Eds.). International Crane Foundation, Baraboo, Wisconsin. Ktptr, E., •aqD J.P. COSSEN. 1987. Survival, age composition, sex ratio, and age at first breeding of Whooping Cranes in Wood Buffalo National Park, Canada. Pages 230-244 in Proceedings of the 1985 crane workshop (J. C. Lewis, Ed.). Grand Island, Nebraska.
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