Answer: trumpeterswan

AnswerCrossword Clue
TRUMPETERSWANAnimal whose binomial name is Cygnus buccinator
TRUMPETERSWANLarge, sleek swimmer
TRUMPETERSWANLarge, white, sleek swimmer
TRUMPETERSWANWaterfowl musician?