Once a native species in Minnesota, the trumpeter swans ... a restoration effort for the swans. The DNR’s Non-Game Wildlife Program began in the 1970’s as part of this effort.

They’re known to mate for life, which can be up to 25 years. It makes swans fitting symbols of love and devotion. Trumpeter swans on the St. Croix River near Hudson, Wis. (Marlin Levison/The ...

“The survey was the first to occur in Minnesota during the trumpeter swan nesting season and is part of a cooperative effort to survey and monitor the status of trumpeter swans in North America.

Three Swan Species Live in North America Only three species of swans nest in North America: the trumpeter swan, the mute swan and the tundra swan (sometimes known as the whistling swan).

Recently, I have been spending a lot of time photographing a trumpeter swan ... birds seem so common in many parts of the country. I was photographing a pair of swans with their cygnets the ...