Experts agree: Mark Twain's favorite amphibian, “The Celebrated Jumping Frog of Calaveras County,” is none other than the California red-legged frog. Once so common it was a staple cuisine, California ...

After nearly disappearing for good, Sierra Nevada yellow-legged frogs are once again hopping happily around California’s alpine ... greenish-brown to gray to red. They don’t have vocal sacks ...

Sierra Nevada yellow-legged frogs measure about 1.5 to 3.75 inches in length and are found in California’s Sierra Nevada mountain ranges, at heights of 4,500 and 12,000 feet above sea level.

This time the suit was filed against a private company behind the project, Gualala Redwood Timber LLC. The conservationists claim the tree harvesting plan will threaten four endangered species --- ...