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These lizards, which are 8 to 10 inches long, occupy loose sandy areas and have become sand swimmers rather than borrowers. They pass through the sands by lateral undulation, detecting their prey mainly by smell both underground and at the surface. Like the amphisbaenians, these snake lizards require a fairly humid soil and will often dig down to levels at which the soil starts to be moist.
Like many other limbless lizards these are live-bearing; the young become sexually mature in three years