David Pattyn / Tufted duck (Aytha fuligula) female portrait.The Netherlands. April..

David Pattyn / Tufted duck (Aytha fuligula) portrait of a male in breeding plumage. The Netherlands. April..

Inaki Relanzon / Madagascar Pochard (Aythya innotata) on water. One of the most endangered ducks in the world, rediscovered in 2008. Bemanevika protected area, north Madagascar, Africa.

Robin Chittenden / European pochards (Aythya ferina) on water, Welney WWT, Norfolk, England, January

Wild Wonders of Europe / Varesvuo / European pochard (Aythya ferina) flock in flight, Pusztaszer, Hungary, May 2008

Gabriel Rojo / Rosi-billed pochard pair {Netta peposaca} Argentina

Mike Read / Red crested pochard duck male {Netta ruffina} Arundel, Sussex, UK

David Pattyn / Tufted duck (Aythya fuligula) male drake , Valkenhorst Nature reserve, Valkenswaard, The Netherlands, May

David Pattyn / Tufted duck (Aythya fuligula) male and female, Valkenhorst Nature reserve, Valkenswaard, The Netherlands, May

David Pattyn / European pochard (Aythya ferina) drake male on a misty morning, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, May

David Pattyn / European pochard (Aythya ferina) female on a misty morning, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, May

David Pattyn / European pochard (Aythya ferina) male and female. Couple, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, April