Camouflage takes many forms in the natural world. Some animals are born with skin or coats that blend in naturally with their environment. Some Old World lizards like the chameleon have an almost ...

Glass frogs have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal Science. Ernesto Benavides/Getty Images Now you see them, now you ...

(CN) — If you’re ever in the rain forests of Colombia, don’t expect to see any glass frogs hanging out; the tiny frogs are masters of camouflage, thanks to their transparent skin. The glass frog, ...

Now you see them, now you don’t. Some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal ...

Now you see them, now you don’t. Some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal ...

Frogs are one of the most diverse animal groups, with a wide range of sizes and colors. Scientists have identified up to 5,000 frog species and believe there are many more waiting to be discovered.

Hanging out in the trees of Central and South America are some frogs with pretty unusual coloration. Which is to say, parts of them have no color at all. Their bellies are completely see-through!