If you ever questioned the insulating ability of down these swans, geese and ducks should squash any doubts. A group of 40-50 trumpeter swans takes what winter has to give at the mouth of the Willow and St Croix rivers near downtown Hudson Wisconsin.
BRRR. The epitome of what cold is really like! Marilyn
I remember skiing at Willow River State Park and seeing them They are beautiful