I'm afraid not (and the shape of the head would have to be a bit different from what I gather by looking at photos of Tufted Ducks--I've never seen one, only Pochards)
EDIT: So, to recap, not a Pintail, Goosander, Red-crested Pochard, Garganey, Teal, Wigeon, Red-necked Grebe or Tufted Duck.