Species of "Rana" are very large in length. They have slim waists and wrinkled skin. Most of "Rana" frogs do not have warts like many toads. "Rana" frogs are great jumpers because of their long slender legs. All of the "Rana" frogs, including most frogs, have webbed feet. This allows them to swim in water. "Rana" frogs are mostly green and have brown on the top. They have darker and yellowish spots on their bodies.