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 ...

These tiny Latin American tree dwellers are stellar fathers and masters at camouflage, recent research reveals. The eggs of a female sun glass frog (Hyalinobatrachium aureoguttatum) are visible ...

Glass frogs are pretty remarkable creatures. Of the 150 species, many have transparent abdomens that give viewers a glimpse into their inner workings—guts, heart and all. Now, as Mindy Weisberger ...