Both the male and female of the species are mostly white, with dark wing-tips and a distinctive "collar" of dark feathers.
 Seen from above in flight the birds have green bands on the tops of their wings.
The female has a harsh rattle and the male has a breathy, sore-throat whistle.
Both the male and female of the species are mostly white, with dark wing-tips and a distinctive "collar" of dark feathers.  Seen from above in flight the birds have green bands on the tops of their wings. The female has a harsh rattle and the male has a breathy, sore-throat whistle.
Radjah shelduck