How to tell sex of Red Eye Tree frog. I just have one

[wesleybrouwer]

If it's fully grown and 2 inches, i would say you got yourself a male.
Calling is done by both, male and female, but the male has 2 distinct calls, the females just one.

[Chaser]

If it's fully grown and 2 inches, i would say you got yourself a male.
Calling is done by both, male and female, but the male has 2 distinct calls, the females just one.

I tthough only the males called..

[tommyboy]

I thought only the males called too. I have recently purchased two more RETF's one is an Albino. The owner said these two have never made a sound. I got them in the vivarium with my retf and now the two that I bought are calling. what does that mean and what do the male calls sound like compared to the females. Mine still has not made a peep.
a pic of Albert the Albino retf