Within the hour I have observed a Female Ruddy Duck in a small pond on Center Fayston Road in Fayston (located next to Waitsfield in the Mad River valley. )
Directions: From Route 100 just north of Waitsfield turn onto Center Fayston Road and ascend about two miles. The pond will be on your left after an "S" curve. The duck was often in the middle of this small pond, near some floating vegetation.
Hats off to Andy Baer who is familiar with the species and sent me word of the bird at this location.