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Wednesday, January 27 • 10:20am - 10:40am
Mute Swan Management In Michigan

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AUTHORS: David Marks, USDA Wildlife Services

ABSTRACT: Mute swans Cygnus olor are a non-native species that can have adverse impacts on aquatic habitats and compete with native waterfowl for food and habitat. In Michigan, mute swans can out-compete the State-listed trumpeter swan Cygnus buccinator in nesting areas and have negatively impacted programs to recover trumpeter swan. Mute swans can also have a significant impact on submerged aquatic vegetation (SAV), both through what they eat and what they tear up. In addition to damage to natural resources, as the population has grown, so has the level of conflict with humans. Management efforts help to ensure success of the native trumpeter swan reintroduction program and benefit other native waterfowl, as well as reduce the number of potentially dangerous conflicts with humans. The Michigan Department of Natural Resources (MDNR) currently has a policy to eliminate mute swans from all state lands managed by the MDNR Division of Wildlife and to gradually reduce the statewide mute swan population to

Wednesday January 27, 2016 10:20am - 10:40am EST