Amphibian biologist Katherine Krynak was trekking through the rainforests of Ecuador in 2006 when her expedition encountered a tiny frog, about the size of your thumbnail. You wouldn’t have called it ...

A frog found in the cloud forest of Ecuador has a neat trick -- it can change the texture of its skin, and it's the first vertebrate known to do so. Michelle Starr is CNET's science editor, and she ...

A new species of frog is the first known vertebrate able to change the texture of its own skin. The frogs, which live among mossy forests in Ecuador, sprout protrusions called tubercles to mimic their ...