Can a Duck's Quack Not Echo?

No, this is a fact in one of the e-mails that has many annoying facts, that aren't usually real. Well first, the male and female ducks quack sounds very different from each other. Also there are many different breeds of ducks, and each breed has a different sounding quack. Tests from the University of Salford revealed the truth of this legend. The tests show that a ducks quack does echo, but not very well. A duck quacks quietly, and the sound dies out over time, so that may be how the rumor was started.-John Baskin