Description:
1st photo: A female Greater Scaup together with a female Tufted Duck. Lepelaarsplassen, The Netherlands, 4 March 2017
2nd & 3rd photo: A female. Lepelaarsplassen, The Netherlands, 4 March 2017
4th photo: The male Greater Scaup is in the middle and has a light grey back and is slightly bigger than the other ducks which are all Tufted Ducks (males and females). Wieringermeer, The Netherlands, 2 April 2010