Rana catesbeiana

Family Ranidae

To 8" or more in snout-vent length. Color green to near black, often with darker spots. Prominent fold of skin from behind eye extending around eardrum. Eardrum as large as eye in females; larger in males.
Native to eastern U.S.; introduced widely throughout Colorado and other western states.
Photo from Hammerson, 1986.
Used with permission.
CountyRef. CountyRef. CountyRef. CountyRef.
AdamsH Dolores *  La PlataH Pitkin 
AlamosaH DouglasH Lake  ProwersH
ArapahoeH Eagle  LarimerRJW1 PuebloH
Archuleta *  El PasoDON1 Las AnimasH Rio BlancoTM1
BacaH Elbert *  LincolnH Rio GrandeH
BentRJW1 FremontRLH6 LoganH Routt 
BoulderH GarfieldJR1 MesaH Saguache * 
Chaffee  Gilpin  Mineral *  San Juan * 
CheyenneTC1 Grand  MoffatH San Miguel * 
Clear Creek  GunnisonH MontezumaAS2 SedgwickH
Conejos *  Hinsdale *  Montrose *  Summit 
Costilla *  Huerfano *  MorganH Teller * 
CrowleyJh3 Jackson  OteroH Washington * 
Custer *  JeffersonH Ouray *  WeldH
DeltaH KiowaSM4 Park  YumaH
DenverH Kit CarsonH PhillipsDC9
Map of Colorado
Color Key
Adams Alamosa Arahapoe Archuleta Baca Bent Boulder Chaffee Cheyenne Clear Creek Conejos Costilla Crowley Custer Delta Denver Dolores Douglas Eagle El Paso Elbert Fremont Garfield Gilpin Grand Gunnison Hinsdale Huerfano Jackson Jefferson Kiowa Kit Carson La Plata Lake Larimer Las Animas Lincoln Logan Mesa Mineral Moffat Montezuma Montrose Morgan Otero Ouray Park Phillips Pitkin Prowers Pueblo Rio Blanco Rio Grande Routt Saguache San Juan San Miguel Sedgewick Summit Teller Washington Weld Yuma