But today these hardy survivors of freezing, high-elevation winters are vulnerable to a host of modern threats. In fact these frogs are extinct in more than 93 percent of their old mountain homes. The ...

Emerging from a partially frozen pond more than 6,000 feet high in the Alps, European common frogs (Rana temporaria) set out to find mates and begin breeding activities. These frogs have adapted ...

A frog is hidden in this pile of leaves ... Studies suggest that solving optical illusion pictures like this one indicates high intelligence and creativity. Brain Teaser: Spot Who Is Rich?