New Species of Glass Frog Is So Transparent You Can See Its Heart

Two new species of see-through frog named in Ecuador

A Fully Transparent Rainforest Frog. You can see it's organs

Prehistoric Frog Had a Monstrous Bite

Glass act: Scientists reveal secrets of frog transparency

Weird Ways Reptiles and Amphibians Survive the Winter

Newly discovered glass frog has transparent belly, looks like

Well I mentioned getting a new Glass Frog species, and species #2

What makes glass frogs transparent? The secret is in their blood.

You Can See the Living Heart of This 'Glass Frog