They can be distinguished from other subspecies due to wide white bands, and frequent black tipping over the red bands. Also, the red in campbelli tends to be especially vibrant and bright compared to other subspecies. Non-morph Pueblan milk snakes always have pure white coloration on their light bands, save for some black speckling.
They can be differentiated from other subspecies by wide white markings and frequent black edges on red stripes. Additionally, the red in campbelli is notably vibrant and bright compared to other subspecies. Non-morph Pueblan milk snakes always have pure white bands with minimal black speckling.