Texas Horned Lizard Watch 10-Year Summary Report
Results – Characteristics of Sightings
Many watchers reported approximate size information for THL seen (fig. 9). Total length ranged from less than one inch to over six inches. Most lizards were in the 4-inch size class. Lizards were sighted most frequently in June, July, and May, with even a few rare winter sightings (fig. 10). Young lizards (<1.5") were seen most often in July and August. Lizards were most often seen when temperatures were between 80 and 89 degrees F (fig. 11), although sightings may reflect some bias against extremely high temperatures on the part of observers. Several lizards were spotted at temperatures greater than 100 degrees F, while several were spotted when temperatures were less than 70 degrees F.
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