Scientists rediscovered the red-bellied squeaker frog, a species feared extinct, in Democratic Republic of the Congo. Photos show the first sighting since the 1950s. Photo from Eli Greenbaum A group ...

Costa Rican researchers have confirmed they found one specimen of Craugastor escoces, a native frog species known here as the Rana Vientre Rojo (red-bellied frog), last seen here in 1986. Gilbert ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Red-legged frogs made famous by Mark Twain ...

YOSEMITE — With no parting glance at their devoted human caretakers, 142 rare red-legged frogs swam to freedom on Friday — one small jump for the frogs but a giant leap for the threatened species. Our ...

Red-legged frogs made famous by Mark Twain are thriving in Yosemite Valley after a decades-long absence. Ecologists this spring found clusters of eggs in meadows and ponds, proof of the first breeding ...

Add Yahoo as a preferred source to see more of our stories on Google. A group of scientists stopped and looked at a large tree that was blocking the trail. They expected the hike up a mountain in ...