The Prairie Racerunner (Cnemidophorus sexlineatus viridis) is subspecies Six-lined Racerunner, (Cnemidophorus sexlineatus) lizard. It is found throughout the short grass prairie habitat of the southern United States, from Colorado to Kansas, south to northern Texas.
The Prairie Racerunner is generally dark green or dark brown in color, with seven yellow stripes which run the length of the body from the head to the tail
, and a white underside. They are slender bodied, and have a tail that is nearly twice the length of their body.
Like most species of whiptail lizard, the Prairie Racerunner is diurnal
. They are most active in the early morning, and hide as the heat of the day rises. You may find them under something that conducts heat. These little guys have been clocked at more than 18 MPH.