Summer Range: A Trumpeter pair typically arrives on its breeding grounds soon after ice melt in early spring. Cygnets remain with parents during winter and migrate north with them. The swans breed locally from central Alaska to western South Dakota and northern Nebraska. Reintroduced populations in Minnesota, Wisconsin, Michigan and Ontario are breeding successfully and expanding.
Winter Range: Trumpeters remain year-round in much of their breeding range, wherever they can find food in ice-free streams and ponds. Those swans that do migrate generally go no further south than is necessary to find open water. Swans from the Great Lakes region either do not migrate of fly south into the mid-Mississippi valley.