The call consists of series of short notes, three to nine notes per series, sounding like "RAA-RAA-RAA."
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
But at Otaheite, the word RAA serves the same purpose, and is full as extensive in its meaning.
"A General History and Collection of Voyages and Travels, Volume 16"
Robert Kerr
