Aspidoscelis sexlineata
Six-lined Racerunner

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Other Names:
Subspecies: Prairie Racerunner Aspidoscelis sexlineata viridis
Description: Long, strong hind limbs and a comparatively long tail, over twice the head-body length. Small dorsal scales with enlarged scales on front edge of throat fold only; belly with 8 rows of large, rectangular scales. All A. sexlineata adults are sexual dimorphic in color: females with light ventral surface and males with pale blue ventral surface. Aspidoscelis sexlineata can reach 15-26 cm (6-10.5 in) in total length as an adult.
Similar Species: All other species of whiptails in New Mexico lack the bright green anterior dorsal body color. The Texas Spotted Whiptail has light spots in the dark dorsal fields.
Venom: None
Habitat: Aspidoscelis sexlineata viridis is seen in open areas such as on river banks and grassy plains. It may also be seen in hilly terrains.
Behavior: Aspidoscelis sexlineata are diurnal lizards and especially active in the morning. They forage for insects and are wary of being approached. They quickly retreat under vegetation or rocks if approached.
Hibernation: They burrow in the soil in cooler temperatures.
Reproduction: Breeding takes place from April to June. Females lay 1-6 eggs in June or July. A second egg deposition may occur three weeks after the first. The eggs hatch from June to September. Hatchlings with bright blue tail.
Diet: Grasshoppers, spiders, butterflies and moths of all life stages and land snails.