The Translucent Glass Frogs of the South American Rainforest



Image: Carl Hansen, courtesy public resource org

There are many natural wonders in the animal kingdom, perhaps none so unusual as the Glass Frog. This tiny frog gets its name because of the translucent skin on its underside (and in some species the top as well) that allows you to see its inner organs, right down to its beating heart!


Image: C. Hansen Courtesy Carl Malamud/PRO

Glass frog showing its inner organs

This actually has an advantage for the glass frog. First of all, it makes him very difficult for predators to spot, as he almost becomes a part of the leaf he is sitting on. If you shine a light on a tree frog at night (if you can find one) all you will see are his eyes and a smudge for his skull.

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