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Factors Affecting The Harvest Vulnerability Of Trumpeter Swans, Heidi L. Tangermann
Factors Affecting The Harvest Vulnerability Of Trumpeter Swans, Heidi L. Tangermann
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Two species of swan are regularly found in Utah, tundra swans (Cygnus columbianus) and trumpeter swans (Cygnus buccinator). Tundra swans migrate through Utah. During the fall migration period they are hunted in the state under guidelines established by the United States Fish and Wildlife Service (USFWS). Trumpeter swans are occasional visitors to Utah during the same migration period. Because trumpeter swans are difficult to distinguish from tundra swans in flight, they 11 are at risk of being harvested during the swan hunt. In my thesis, I examine the factors that may influence trumpeter swan vulnerability to …