Sentence:  He stroked the hens and they responded with delighted clucks , he gobbled with the turkeys and they at once were all attention , he quacked with the <WSD>ducks</WSD> , and cackled with a pair of exceedingly flattered geese . 
Meaning of the word marked with <WSD> tags:  small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs