Rio Grande Leopard Frog (Lithobates berlandieri), Class, Amphibia: Order, Anura: Family, Ranidae. This frog was photographed in-situ while it was crossing Highway 4, Cameron County, Texas, USA, (25.9442°N, 97.3533°W, 3 m. elev.) 10 April 2016. William L. Farr