Researchers in Australia spotted a magnificent tree frog with blue skin — the result of a rare genetic mutation called axanthism, which suppresses yellow pigments that usually tint the frogs green.

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 ...

Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America. Newly discovered evidence of Australia's earliest species ...