Why doesnt a ducks quack echo?

Question

Why doesnt a ducks quack echo?

Answer 1

Because they don't live in caves.

That's really the only genuine answer. Everything else is a myth.

http://www.snopes.com/critters/wild/duck...

Answer 2

try watching myth busters, they did the myth and found duck quack was the only thing with no echo.

http://mythbustersresults.com/

Answer 3

It's a myth.

Answer 4

Yes!  This is a myth. The quack of a duck does echo. I've heard it myself.