Goosander
Mergus merganser

Goosanders (also known as Common Mergansers) are members of the sawbill group of ducks - they have serrations running along their thin beaks designed for holding on to fish. The male is a striking dark green and white, while the female is brown and grey.
 

  

  

1-2, 4: Thun, 15/02/2009.
3, 5: Lac Leman, Geneva, 10/06/2008.
6-7: River Aare, Dählhölzli, Bern, 21/04/2007.