The large number of species also indicates regionalism. For example, the New Jersey Chorus Frog, not presented here, has a range limited to Southeastern Pennsylvania, New Jersey, and the Delmarva Peninsula of eastern Maryland, Delaware, and Virginia. Many types of these frogs live in all areas...
The Maryland Zoo manages the golden frog studbook—a compendium of genealogies, maintained to ensure the best possible genetic pairings. Until now, the Old Man has not been called on to mate, primarily because of a dearth of ideal females. But even at 15, he could still becom...