World's first fluorescent frog discovered in South America

In normal light the polka-dot tree frog has a dull complexion - but under UV light it glows bright green

The world's first fluorescent frog has been discovered in the Amazon basin in South America.

Scientists at the Bernardino Rivadavia Natural Sciences Museum in Buenos Aires made the discovery by accident while studying the pigment of polka-dot tree frogs, a species common across the continent.