Which structure is notably absent in the recently described species *Rhabdophis bindi*?

Answer

The nuchal groove and glands

The research findings regarding *Rhabdophis bindi* specifically highlight that it lacks the nuchal groove and glands, showing that diet-derived poison glands are not universal in the genus.

Which structure is notably absent in the recently described species *Rhabdophis bindi*?
namereptilesnakeKeelback