Dendrocygna javanica, a whistling duck that breeds in the Indian subcontinent and Southeast Asia.

A species of whistling duck, Dendrocygna guttata (family Anatidae), of the Philippines, Indonesia, New Guinea, and northern Australia.

Dendrocygna arcuata, a species of whistling duck.

plural of plumed whistling duck

A species of duck, Dendrocygna eytoni, primarily of the Australian mainland, having large pale ornamental plumes on the flanks.

plural of spotted whistling duck

(Cockney rhyming slang) A suit.

(idiomatic) Extra features added for show rather than function; fancy additions or features.

(US, idiomatic) The path slaves took to deliver food from the kitchen building of a plantation to the main dining room. Stories claim that slaves were expected to whistle during this walk in order to assure their masters that they were not eating the food.

Alternative form of whistle-blower