and pull their eyes into their head. “They’re like a sort of bump,” she told me. In her 10 years of studying glass frogs, Brunner has spotted just one snoozing. Had she not been looking ...

The researchers placed several specimens of Hyalinobatrachium fleischmanni glass frogs under the eye of photoacoustic microscopes. Combining microscopes and ultrasound scanners, these devices ...

The next question was how to study it. While the glass frog’s trick is so impressive that it can be seen by the naked eye, understanding how it works required an imaging technique known as photo ...

Like a ninja in the dead of the night, the glass frog was in stealth mode.  “GLASSY! I thought I might never find you. I have been searching for you for quite a long time,” Silvery’s voice cut through ...

Glass frogs are a family of tree frogs that thrive throughout South ... An arboreal frog with long limbs and long toes, the red-eyed tree frog is found in the tropical forests of Central and South ...

Glass frogs have forward-facing eyes like our pal Kermit, and they are usually bright green in color. I have yet to mention the most interesting aspect of glass frogs' appearance — alluded to in ...

But when northern glass frogs wake up and hop around in search of insects and mates, they take on an opaque reddish-brown color. “When they’re transparent, it’s for their safety,” said ...

The northern glass frog, which ranges from southern Mexico to Ecuador, even conceals its blood to render its body more translucent, hiding nearly 90 percent of its red blood cells inside its ...

Dec. 23 (UPI) --Researchers say they have solved the mystery of how glass frogs become mostly transparent while they sleep. The discovery may lead to innovations in how to understand blood clotting.

As tiny glass frogs fall asleep for the day, they take almost 90 percent of their red blood cells out of circulation. The colorful cells cram into hideaway pockets inside the frog liver ...