Shiny black juvenile frogs with yellow spots dramatically change into peach coloured adults with bright blue eyes.
Scientists discovered the unique frog in a remote part of south-eastern Papua New Guinea.
The bright pattern of the young frog could act as a warning to predators, they say, but it is a mystery why the adult then loses this colour.
The scientists from Bishop Museum in Honolulu, Hawaii, US, report their findings in the journal Copeia.
Amphibian species come in a range of colours and patterns, from the brightly patterned poison dart frogs to the plainer greens of the common toad.
Read full story HERE.