Round-tail horned Lizard
Phrynosoma modestum


Family Phrynosomatidae

Description:
2" to 2¾" snout-vent length. Color ash white to brownish to grayish, with darker blotches on sides of neck, at groin, and each side of tail base. Tail round and slender, broadening near its base. No ear openings. No lateral fringe scales along sides.
Elevation Range:
Only known from below 5,000' in Otero county in SE Colorado.
  (No photo available)
         
CountyRef. CountyRef. CountyRef. CountyRef.
Adams  Dolores  La Plata  Pitkin 
Alamosa  Douglas  Lake  Prowers 
Arapahoe  Eagle  Larimer  Pueblo 
Archuleta  El Paso  Las Animas  Rio Blanco 
Baca  Elbert  Lincoln  Rio Grande 
Bent  Fremont  Logan  Routt 
Boulder  Garfield  Mesa  Saguache 
Chaffee  Gilpin  Mineral  San Juan 
Cheyenne  Grand  Moffat  San Miguel 
Clear Creek  Gunnison  Montezuma  Sedgwick 
Conejos  Hinsdale  Montrose  Summit 
Costilla  Huerfano  Morgan  Teller 
Crowley  Jackson  OteroCR1 Washington 
Custer  Jefferson  Ouray  Weld 
Delta  Kiowa  Park  Yuma 
Denver  Kit Carson  Phillips 
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