The Vegas Valley leopard frog (Rana fisheri) is a species of frog previously declared extinct. Once it occurred in the Las Vegas Valley, as well as Tule Springs, Clark County, southern Nevada, United States of America, at elevations between 370 and 760 m (1,210 and 2,490 ft). It was believed to be the only frog endemic to the United States to have become extinct in modern times.A. Vanderhorst collected 10 specimens of this species at Tule Springs on January 13, 1942.