There are a few synonyms for the term "true frog", which refers to the frogs of the family Ranidae. These are the most common and diverse group of frogs, comprising around 600 species, found on all continents except Australia and Antarctica. They are typically characterized by their smooth skin, webbed feet, and long hind legs that allow them to jump great distances. Some synonyms for the term "true frog" include Ranids, Ripple frogs, and Leapfrogs. Each of these terms refers to the same family of frogs, just using different names. The term "true frog" is likely the most commonly used in scientific literature, while the other terms may be more colloquial.