Though a full body image would help a lot, I feel certain that it is the desert king snake scientifically known as _Lampropeltis getula splendida_. This species is seen in most parts of New Mexico and is not venomous. It primarily feeds on rodents, lizards, birds, snakes and eggs.
Here's a link to a website with more details on this species and other snake species of New Mexico: <
Here's a variety of different photos of the desert king snake from different angles (but different ages, sizes and pattern varieties of the same species).
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