A few more trumpeter swans, often seen wintering in Vadnais Heights or along the St. Croix River, will be sporting new neck jewelry this year. Researchers with the U.S. Department of Natural Resources ...

The first thing you are likely to notice in an encounter with a trumpeter swan is its size. This is a big bird, larger than any other species of waterfowl. Trumpeter swans can reach more than 25 ...