English synonyms: | Spotbill, Spotbill Duck, Spot-bill Duck, Spotted-billed Duck, Yellow-nib Duck, Yellownib Duck, Oriental Mallard, Burmese Spotbill (haringtoni), Burmese Spot-billed Duck (haringtoni), Indian Spotbill, Indian Spot-billed Duck, Spot-billed Grey Duck, Spot-billed Gray Duck, Grey Duck, Gray Duck, Black Duck |