Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly questioning their meal choice. These iconic rain-forest amphibians sleep by ...

The red-eyed tree frog has become a Costa Rican icon as a result of its ubiquity and beauty. They are nocturnal, so your best chance to spot one is after the sun sets — if you can handle the ...

The red-eyed tree frog, as its name implies, has some pretty striking orbs. But those peepers can also be beacons for predators when the amphibian just wants to chill. So the Central America native ...

The red-eyed tree frog has become one of Costa Rica’s most iconic creatures, admired for its vibrant colors and widespread presence across the country. This frog, known for its striking red eyes, ...

Red-eyed tree frog. Photo by Rhett Butler. In recognition of Amphibian Ark winning mongabay.com’s 2011 conservation award, our pictures of the day this week will focus on amphibians. The red-eyed tree ...

Frogs have long held a bad rap (at least among some people) for being slimy, even scary, critters, but that's not very fair to these amazing amphibians. There are currently around 7,600 known species ...

While the bright coloration of this red-eyed tree frog doesn’t make the amphibious creature see red, it does provide an eye-catching display for humans who glimpse it in its rainforest habitat. In ...

Kyron Horman in front of his science fair project on the red-eyed tree frog.Kyron Horman and his stepmom Terri Moulton Horman toured the science fair at the second-grader’s Portland elementary school ...

A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

Five-day-old red-eyed treefrog embryos are tightly curled inside dehydrated eggs packed closely together. It’s dry enough to make them begin to hatch early amid heating. Karen M. Warkentin As the frog ...

One would be hard-pressed to take a walk outside without hearing the sounds of calling animals. During the day, birds chatter back and forth, and as night falls, frogs and insects call to defend ...