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 ...

An elusive tree frog with a never-before-seen color mutation, was spotted and photographed in a remote part of northwestern Australia Blue mutation magnificent tree frog (Ranoidea splendida). The ...

Wait … is that frog blue? That's what many might question after seeing a rare blue-green bullfrog spotted last weekend in Rhode Island by the Ragosta family, the ...

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 ...

A national study by Cornell University researchers found 69 blue frogs during a survey of 2 million, which comes to a frequency of 0.003%, according to the Rhode Island Division of Fish and Wildlife.

Jack Ragosta was “over the moon,” his mother said, after finding the glistening blue frog and researching the unusual find. It ain’t easy being blue, either. A Rhode Island family made the remarkable ...

Scientists at a wildlife sanctuary in Australia found an odd-colored frog due to a rare mutation. A photo shows the “once-in-a-lifetime” sight. Photo from J. Barker and the Australian Wildlife ...

Proteins called biliverdin-binding serpins (BBSs) play an important role in amphibian coloration and camouflage, a study finds. Many vertebrates have blue-green blood and bones due to high ...

In the dim twilight hours, many frogs may be capable of emitting a faint green or orange glow. A survey of hundreds of frogs in South America shows that far more frogs are biofluorescent than ...

PROVIDENCE, R.I. (WPRI) — Have you ever seen a blue frog? The Rhode Island Department of Environmental Management (DEM) tells 12 News a rare blue-green frog was spotted last week in the Ocean State.

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 ...