disagree... no thnx. they spit.
The quacking frog makes a sound that is just like a small duck. Unfortunately, like many frogs, the quacking frog is endangered. Scientist are particularly concerned when frogs disappear or show signs of stress, because frogs are considered indicator species.
this link has a sample of the sound quacking frogs make. if you wanna hear it check it out. kinda kool.http://www.museum.wa.gov.au/frogwatch/pages/frogs/sw/12.asp