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 ...

It’s tough being a frog. You have to account for opposing lanes of traffic across a busy highway and, if you get through that, you have to hop across logs and the backs of turtles, avoiding alligators ...

A kind of transparent frog achieves near invisibility by hiding its red blood cells during the day, scientists found. "I had never seen anything... The astonishing vanishing act of the glassfrog, ...