Gerrhonotus liocephalus Wiegmann, 1828, Mexico, later restricted to Tlapancingo, Oaxaca. Up to six subspecies have been recognized.
OTHER COMMON NAMES
Spanish: Culebra con patas, lagartija escorpión de Tejas. PHYSICAL CHARACTERISTICS
This large lizard grows to 19.7 in (500 mm) in length, though typically it is 9.8-15.7 in (250-400 mm) long. The Texas alligator lizard has strong jaws; four well-developed limbs; and a long, moderately prehensile tail. The dorsal ground color is reddish brown to dull yellow, with irregular transverse bands consisting of dark and light flecks.
This species occurs in central and southwestern Texas south to San Luis Potosí, Mexico.
It inhabits rocky hillsides with low vegetation.
The Texas alligator lizard is diurnal and primarily terrestrial. A slow-moving species, it may inflate itself with air when disturbed.
FEEDING ECOLOGY AND DIET
This species actively forages for arthropods and small rodents, snakes, and other lizards.
Females attend their clutches of five to 31 eggs, which are laid once per year or more often.
CONSERVATION STATUS Not threatened.
SIGNIFICANCE TO HUMANS None known. ♦
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