Answer: gartersnake

AnswerCrossword Clue
GARTERSNAKEHarmless slitherer
GARTERSNAKEHarmless serpent
GARTERSNAKEHarmless reptile.
GARTERSNAKECommon ophidian.
GARTERSNAKEHarmless-to-humans slitherer