Red-eyed tree frog hatchlings were dodging hungry snakes a long time before Warkentin started studying the phenomenon 20 years ago. “People had not thought of eggs as having the possibility to show ...

What prompts the embryos of certain frogs to hatch early if shaken by a hungry reptile but not if buffeted by an outside force such as rain? According to biologist Karen Warkentin, it's a ...

(via BBC Earth) Hanging above the water, these red-eyed tree frog tadpoles are easy targets for wasps. However, at just five days old, they can sense danger and already know what to do. Will they all ...

(Boston) -- At the edge of Ocelot Pond, Panama, red-eyed tree frog embryos still in their eggs are about to make a life-or-death decision. The egg clutch, a gelatinous blob clinging to a leaf ...

A developing frog embryo in its jelly-like egg mass can be quite the escape artist: When predators come calling, the red-eyed tree frog embryo can detect the threat and drop out of its egg to safety ...

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 ...