Which soil compositions are worm snakes explicitly noted as *not* inhabiting?
Answer
Hard clay, compacted soil, or dry sand
The ability of the worm snake to survive and thrive is directly tied to the physical composition of the ground, as their fossorial nature requires easy tunneling access. The text explicitly states they are not found in substrates that are too restrictive or lack necessary moisture retention qualities. Hard clay compacts easily, preventing movement and burrow creation. Compacted soil presents the same physical barrier. Dry sand, conversely, lacks the necessary moisture and structure to support the moist environment needed for both the snakes and their invertebrate prey base. They seek loose, friable soil instead.

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