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Do duck quacks echo? Simon Foster chats about new science show | Imperial News | Imperial College London
Washington Department of Fish & Wildlife - FACT or FICTION? A duck's quack doesn't echo. #WaterfowlWednesdays #Flocktober #WashingtonWaterfowl Learn about all things waterfowl at https://wdfw.wa.gov/hunting/waterfowl_spotlight/. ANSWER: Fiction! That ...
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