What is the defining characteristic regarding the subcaudal scales immediately posterior to the vent in *C. oreganus*?
Answer
They consist of a single row of scales
A crucial identification marker is that Northern Pacific Rattlesnakes have a single row of scales immediately posterior to the vent (cloaca), which then transitions to a double row underneath the tail proper.
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Species spotlight: Northern Pacific Rattlesnake (Crotalus oreganus)
Related Questions
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