It is a medium-sized duck although heavier than the other ducks of its species. The male has, in bridal plumage, the head and neck dark green, the breast brown and the belly whitish. Grey wings, greenish-yellow bill and orange-red legs. Females are brownish in tones. Both sexes have a blue mirror. Youngs are similar to females.
You can live in areas of marshes and estuaries. We can find it in a variety of aquatic environments, including water.