Diet & feeding
Seeds, grain and aquatic plants, plus insects in the breeding season.
Habitat
Estuaries, coastal marshes and wet grasslands in winter.
Breeding
A scarce breeder in northern England and Scotland.
Migration
UK wintering birds arrive from Iceland, Russia and Scandinavia.
Vocalisation
Males give a mellow, wheezy "prreee" whistle; females quack softly.