Tadorna cornuta, the Sheld-Drake or Bargander, ...shews a white collar on the lower neck followed by a broad chestnut band; blackish outer scapulars, remiges, and the tip of a tail; a patch of chestnut on the inner secondaries, a green speculum, and a brown line down the under parts, the remaining portions being white." A. H. Evans, 1900

Shelduck

Tadorna cornuta, the Sheld-Drake or Bargander, ...shews a white collar on the lower neck followed by…