Swan for the money
Also in Murder With Peacocks, Murder With Puffins, Revenge of the Wrought-Iron Flamingos, Crouching Buzzard, Leaping Loon, We'll Always Have Parrots, Owls Well That Ends Well, No Nest for the Wicket, The Penguin Who Knew Too Much, Cockatiels at Seven, Six Geese A-Slaying
Also in The good, the bad, and the emus