When they are resting (and most vulnerable), glass frogs pool a significant amount of their red blood cells into their liver, thereby increasing their transparency (there’s no sign of blood ...

In this post, you’ll meet the invisible frog that may cause breakthroughs in medical research – as if its transparency wasn’t already fascinating enough! The glass frog is a small and ...

When glass frogs emerge during the rainy season, researchers at the Smithsonian Tropical Research Institute follow their migration out of the forest and along streams. These transparent leaf-lying ...