Lesser Earless Lizard
Holbrookia maculata

Family Phrynosomatidae

2" to 2½" snout-vent length; to 5 1/8" overall. Color brownish to gray, with rows of mottled pattern between lighter stripes or rows of dots (lighter stripes may be missing in individuals from southwestern Colorado). Two black bars on each side of ventral surface behind forelimbs. No external ear openings.
Elevation Range:
Up to 5300' in northeastern Colorado; to 6000' in southern Colorado.
Subspecies in Colorado:
Holbrookia maculata approximans in southwestern Colorado;
Holbrookia maculata maculata in eastern Colorado.
  Lesser Earless Lizard
CountyRef. CountyRef. CountyRef. CountyRef.
AdamsH Dolores  La Plata  Pitkin 
Alamosa  Douglas *  Lake  ProwersH
ArapahoeH Eagle  LarimerH PuebloH
Archuleta  El PasoH Las AnimasH Rio Blanco 
BacaH ElbertH LincolnH Rio Grande 
BentH FremontH LoganH Routt 
Garfield  Mesa  Saguache 
Chaffee  Gilpin  Mineral  San Juan 
CheyenneH Grand  Moffat  San Miguel 
Clear Creek  Gunnison  MontezumaH SedgwickH
Conejos  Hinsdale  Montrose  Summit 
Costilla  HuerfanoH MorganH Teller * 
CrowleyH Jackson  OteroH WashingtonH
Custer *  Jefferson *  Ouray  WeldH
Delta  KiowaH Park  YumaH
DenverH Kit CarsonH PhillipsH
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