What distinct surface quality do the scales of the Western Blind Snake possess?
Answer
Iridescent sheen
A key distinguishing feature of the Western Blind Snake, separating it from creatures like earthworms, lies in its integument. The scales covering its body are described as being smooth and glossy. This smooth texture often results in a noticeable iridescent sheen when the snake is exposed to direct light. This shiny or almost metallic appearance contrasts sharply with the duller texture associated with annelids, providing a tactile and visual difference upon close inspection.

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