simple past tense and past participle of whistle for

(idiomatic) To ask for with no chance of success. / Used other than figuratively or idiomatically: see whistle, for.

Synonym of Bewick's swan

A hoary marmot (Marmota caligata).

plural of whistling swan

present participle of whistle Dixie

Any bird of the genus Dendrocygna in the family Anatidae, the family of duck, goose and swan.

plural of whistling hare

The pika.

A buoy fitted with a whistle that is blown by the action of the waves.