sentences:  It is very similar in appearance to the squirrel tree frog but it can be distinguished from that species by the series of yellow, orange, or white dots that can be seen on the back of the thigh when the hind leg is extended.The toes have large toe pads but little webbing.Their distinctive call can be heard between April and October; it is a series of staccato sounds, giving it the nickname of "Morse code frog".