Sinaloan Milk Snake
Lampropeltis sinaloae
A brightly banded, non-venomous milk snake from western Mexico, known for its vivid red, black, and white/yellow tricolor rings.
- Venomous?
- Non-venomous
- Adult length
- 0.9-1.2 m (3-4 ft)
- Range
- Sinaloa and adjacent western Mexico
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Overview
The Sinaloan Milk Snake is part of the widespread milk snake complex, native to the Pacific lowlands of western Mexico. Its striking coloration mimics venomous coral snakes as a defensive strategy, despite being entirely harmless.
It is one of the most recognizable milk snakes due to its bold, high-contrast banding.
How to identify it
- Broad red bands bordered by black, separated by narrow white or yellow rings
- Smooth, glossy scales
- Rounded head not distinctly wider than neck
- Round pupils
- Distinguished from venomous coral snakes by "red touches black" banding sequence and head shape
Habitat & range
Found in tropical deciduous forest, thorn scrub, and adjacent semi-arid habitats of Sinaloa and neighboring Mexican states.
Behavior, diet & reproduction
Primarily nocturnal and secretive, sheltering under rocks, logs, and debris during the day. Preys on small mammals, lizards, and other snakes. Reproduces by laying eggs.
Frequently asked questions
Is the Sinaloan Milk Snake venomous?
No, it is completely non-venomous and harmless to humans.
How can it be told apart from coral snakes?
By its banding order where red touches black, versus coral snakes where red touches yellow, plus its rounded head shape.
Where does it live?
In tropical deciduous forest and thorn scrub habitats of Sinaloa and nearby western Mexico.
Sinaloan Milk Snake guides
In-depth guides for identifying and understanding Sinaloan Milk Snake.
