Anas acuta
This slender and elegant duck gives the illusion of being longer than the mallard mainly because of its large neck and long black and creamy-yellow tapered tail, but the reality is quite the opposite. The male has a chocolate brown head, a white neck lengthened by a white stripe that extends from the back of the head to the undercarriage. It has a grey back. The tips of the wings are black. Iridescent bronze green adorns the central part of the wing. It has a curved head, thin dark grey bill and white stomach. The upper surface of its tail is black.
The female resembles other female ducks: dull chestnut plumage with grey, beige and brown streaks. Significant features are the pointed tail, thin neck and quite long and narrow bill.

It frequents marine coastlines in winter as well as flooded bogs and fresh waters. It engages in activity both day and night. Its nesting area is quite northern and it migrates towards western and central Europe, the Mediterranean region or the Sahel.
Nesting takes place between May and September. The clutch comprises 7 to 11 eggs, incubation lasting from 22 to 24 days.