Juvenile and Adult
- Orange stripe along top of back and yellowish-green stripe on each side of body; dark blotches may form checkered pattern between stripes
- Round pupils
- Scales keeled (ridge lengthwise on each scale)
- Usually 7 upper labials
- Side stripe usually on 3rd and 4th scale rows
- Background colour: greenish gray, black, or brown
Total length: up to 100 cm
Range
- Widely distributed in southern and eastern regions of Alberta
- Cold Lake area reported to be the most northern occurrence for the species
May be confused with Red-sided Gartersnake.