frog circle

What’s that big circle for behind the dude’s eye? That’s what I want to know.

Old comments:

Dad @ 2011-09-08 05:28:18
vocal cords?

Andre @ 2011-09-08 06:01:21
Well… A little Wikipedia-ing revealed that it's a hearing organ called a tympanum. How about that?!

shemp @ 2011-09-08 06:34:59
I bet it's super annoying if you flick it.

frog circle