The glass frog’s unusual adaptation to bolster its camouflage could offer clues for preventing deadly blood clots in people. By Veronique Greenwood At first glance, you might miss the glass frog of ...

A large coalition of federal, state and county agencies have joined forces to protect one tiny El Dorado County resident – a frog. The red legged frog, to be exact. In a meeting of the El Dorado ...

(AP) — 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 ...

ANGELS CAMP, Calif. — When Mark Twain published “The Celebrated Jumping Frog of Calaveras County” in 1865, the frog helped make him famous, and he returned the favor. Since then, the frog has made the ...

It is frog heaven, this lovely oasis of quiet pools along Las Virgenes Creek on Ahmanson Ranch. Lush brambles of wild blackberry border the creek, creating perfect hideaways. Tender patches of ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

CLICK HERE if you are having trouble viewing these photos on a mobile device YOSEMITE — With no parting glance at their devoted human caretakers, 142 rare red-legged frogs swam to freedom on Friday — ...

The tiny charismatic frog is just one of thousands. Not long ago, herpetologist and lifelong frog collector Devin Edmonds spent hours with colleagues scouring nearly 8,500 listings such as these on ...

FILE ART - Red-legged tree frogs are making a comback in Yosemite National Park. YOSEMITE NATIONAL PARK, Calif. (AP) - Red-legged frogs made famous by Mark Twain are thriving in Yosemite Valley after ...

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 ...