Hyalinobatrachium dianae was found in the mountains of east ben Rica . It 's lime - coloured on ##ion but has translucent skin on its underside . Glass frog has a distinctive mating behavior that resembles a bird whistle . differs from other glass frogs by its eyes , which look like Kermit 's .
Hyalinobatrachium dianae was found in the mountains of east Costa Rica . It 's lime-coloured on top but has translucent skin on its underside . Glass frog has a distinctive mating call that resembles a tin whistle . Distinguished from other glass frogs by its eyes , which look like Kermit 's .