What up with their chin flub?

[tgampper]

Looks like you have some vocal sac action going on. They are probably practicing their chorus line so they can attract the females.

Females of most tree frogs use multimodal signals (audible and visual cues) to select their breeding partners. I am sure the males understand these things and want to get an early start.

[charlamanda]

Looks like you have some vocal sac action going on. They are probably practicing their chorus line so they can attract the females.

Females of most tree frogs use multimodal signals (audible and visual cues) to select their breeding partners. I am sure the males understand these things and want to get an early start.

Thanks, that's a relief. Ah, my little babies are growing up....uh oh, calling? There not going to break out in full chorus mode are they? Yesterday, I found two frogs, one on top of each other, in the pool, the one was flub chin and a great big ?female. There are not going to start this are they?
Here is a pic, forgive my sucky camera!
I put glass marbles in the pool for them to hang on to. I watched one in there one night and he/she kept slidding down the sides, so I put them in so they could hang on and soak comfortably.