Daisy the duck quacks into a microphone inside an acoustic chamber at the University of Salford, Greater Manchester, where Professor Trevor Cox disproved the myth that a duck's quack doesn't echo. Acoustic
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/sounds-ducks-make-386223-hero-e8f9548a0d164228814ec3aa95034e2f.jpg "Ducks Do a Lot More Than Quack")
Ducks Do a Lot More Than Quack
Daisy the duck quacks into a microphone held by Professor Trevor Cox at the University of Salford, Greater Manchester, where Professor Cox disproved the myth that a duck's quack doesn't echo. Acoustic
