Ten pounds, it was reckoned, was about the price that Mr. Taylor would ask for a cocker spaniel. Mr. Taylor was the head of the gang. As soon as a lady in Wimpole Street lost her dog she went to Mr. Taylor; he named his price, and it was paid; or if not, a brown paper parcel was delivered in Wimpole Street a few days later containing the head and paws of the dog.
Quotation from Virginia Woolf, Flush: a Biography

Each Grunting Mallard features a unique voice box that makes a realistic sound when squeezed and drives dogs wild! -Ad for Grunting Mallard Migrating Duck Dog Toy
Dog that Quacks (YouTube) I wonder if this dog swallowed his Grunting Mallard Dog Toy?