You can get your head bitten off for asking that on this forum. This is an excerpt from a site that I found when I asked the same question a while back and had to find the answer myself:



There is some confusion in the hobby between the Nelsons Milksnake & The Sinaloan Milksnake as they are very similar looking in both pattern and colouration, both were classified together as Lampropeltis triangulum nelsoni, it wasn't until 1978 that the population of Mazatlan, Sinaloa, Mexico were described as Lampropeltis triangulum sinaloae. The main difference between the two is the spacing of the bands, in "nelsoni" the red body rings are are twice as wide as the black-white rings in the "sinaloae" they are three times as wide. Nelsons Milksnake is known to intergrade with "sinaloae" in the north of it's range.

Nelsons Milksnakes have black, white, black, red bands the red bands are twice the thickness of the black,white band combination. Albino Nelsons are bright red, white & yellow.



Are there normal variations in milksnakes that can cause them to look like another subspecies? Yes, and who knows, there might be some nelson in your sinaloan.



snake adventures

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