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Origin and Distribution
The mute swan is native to which two continents? A. Europe and Africa. B. Europe and Asia. C. Asia and Australia. D. Asia and South America.
Transportation
The mute swan was first introduced to the northeastern United States: A. By individuals wishing to use their feathers for the hat trade. B. By avid bird-watchers. C. By individuals wishing to use them as living decorations for parks and estates. D. By individuals wishing to market their eggs for human food.
Environmental Impact
The mute swan threatens native waterfowl by : A. feeding on submerged aquatic vegetation . B. feeding on their eggs. C. threatening successful nesting with their aggressive behavior. D. A & C. E. A & B.
Economic Impact
The consumption of large quantities of submerged aquatic vegetation by mute swans reduces habitat for some crabs and fishes, thereby negatively affecting recreational activities such as crabbing and fishing. True False
Control
Control methods for mute swans include preventing eggs from hatching by shaking them and the live capture and removal of adult swans. True False