Behavior

Because amphisbaenians are fossorial, relatively little is known of their behavior or ecology compared to other rep tiles. However, a few insights into their behavior are notable. The family Amphisbaenidae contains the greatest diversity of burrowing specializations, which can be loosely categorized in concert with head shapes. Round-headed species burrow by driving or ramming the head forward. Those species with shovel-shaped heads burrow by driving the head downward, lifting the head up, compressing the soil onto the roof of the tunnel with the flattened snout, and smoothing the tunnel walls with the pectoral region. Keel-headed forms with laterally compressed heads burrow by driving the head forward alternately to the left and right of center and then smoothing the tunnel walls by pressing the sides of the head and trunk against them.

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