or Shieldrake
the common English name of ducks of the genera Tadornaand Casarca. The Australian species are – – Casarcatadornoides Jard., commonly called the MountainDuck; and the White-headed S., Tadorna radjah, Garnot.
1847. L. Leichhardt, `Overland Expedition,' p. 217:
«Charley shot the sheldrake of Port Essington (Tadorna Rajah).»