The small, golden amphibian left a lasting impression—literally. As they handled the frog, its bright yellow pigment rubbed off onto their skin, leaving their fingers stained with the same hue ...

SACRAMENTO, Calif.— In response to a Center for Biological Diversity petition and lawsuits, the U.S. Fish and Wildlife Service today protected four populations of foothill yellow-legged frogs in ...

There’s even Panamanian Golden Frog Day. The creature is a natural marvel, not least for its defensive traits: The neon-yellow skin of just one frog contains enough toxin to kill 1,200 mice.

They captured a few frogs, took a closer look and soon realized they’d discovered a new species: Cophixalus flavopunctatus, or the yellow-dotted narrow-mouthed frog. A Cophixalus flavopunctatus, or ...

SACRAMENTO— In response to a Center for Biological Diversity petition and lawsuit, the U.S. Fish and Wildlife Service today proposed Endangered Species Act protection for four populations of foothill ...

It happens every spring along a section of road north of Russia’s second-largest city of St. Petersburg: Volunteers, some in ...

Seen from below, their undersides are “flesh-colored” while their fingertips and toes are “pale yellow.” Several views of a Gracixalus weii, or Wei’s tree frog. Photos from Shize Li via ...

They captured a few frogs, took a closer look and soon realized they’d discovered a new species: Cophixalus flavopunctatus, or the yellow-dotted narrow-mouthed frog. A Cophixalus flavopunctatus ...