Question

Do female tree frogs whistle?

Answer 1

Whistle frogs or tree frogs are very small, at 4 to 5.5 inches long (more or less 1cm). Male frogs have tremendously diverse vocalizations, and their sounds can mean different things depending on the listener.Female frogs might assess the quality of a male through the nuances of his call.

Answer 2

Answer:

Most male frogs (including tree frogs) have something called a "vocal sac" on their throats. ... When the frog isn't croaking, the deflated sac may makethe skin on the throat seem more thin and baggy than on female frogs.