Ferruginous Duck
Aythya nyroca

These ducks are close relatives of Pochards and Tufted Ducks. They can most often be found in the same habitats as Pochards, but are much less common. This bird is a male - the female lacks the white eye and is more brown all over.
 

Ferruginous Duck  Ferruginous Duck

1-2: Neuchâtel, 20/01/2008.