Christian Ziegler / Plantation Glass Frog (Hyalinobatrachiumácolymbiphyllum) is nearly transparent including the bones, only digestive tract is visible, Barro Colorado Island, Panama
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Phil Savoie / Glass frog on heliconia flower. (Centrolenella fleischmanni) Belize
01128957
Pete Oxford / Glass frog {Hyalinobatrachium sp} Amazonia, SE Ecuador
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Phil Savoie / Glass frog guarding its eggs (Centrolenella fleischmanni) Belize