Scientists in Western Australia have found a tree frog which is bright blue, rather than the usual green, due to a rare genetic mutation. The blue magnificent tree frog was spotted in the Charnley ...

In a remote part of Australia, researchers recently stumbled upon an unusual, blue-skinned tree frog. This individual is a rare genetic mutant of the magnificent tree frog, a large amphibian that’s ...

Q. You once wrote that blue pigment is not known to exist in any terrestrial or freshwater animals with backbones. I found a blue bullfrog in a marsh in Virginia. It was mostly blue with some gray ...

Scientists on a routine wildlife survey in Australia were stunned by the “once-in-a-lifetime” sight of an abnormally colored creature. Its “spectacular” coloring was caused by a rare genetic mutation.

With green tree frogs croaking like toy tin horns near my home, I'm reminded of a blue-jeans frog I recently watched in Costa Rica. I was standing near a small pool on the grounds of the Costa Rica ...