Kingsnake (Lampropeltis getula)
ReptileSnakeNorth America

A common kingsnake (Lampropeltis getula) in San Luis Obispo County, California.
Image: ALAN SCHMIERER, CC0, via Wikimedia Commons.
Overview
The common kingsnake (Lampropeltis getula) is a smooth, glossy, non-venomous constrictor of North America. Patterns vary enormously across its range — chain-like bands, speckles, stripes or near-uniform dark forms — and the genus name Lampropeltis means 'shiny shield', a reference to the polished scales.
The 'king' in the name refers to diet. Kingsnakes are ophiophagous: they eat other snakes, including rattlesnakes, copperheads and cottonmouths, which they overpower by constriction.
What makes that possible is a striking physiological trait — kingsnakes have substantial resistance to pit viper venom, so a defensive bite from a rattlesnake does not stop them.
Habitat & Range
Common kingsnakes occupy a wide range of habitats across the southern and central United States and into northern Mexico: pine and hardwood forest, grassland, farmland, desert, marsh edges, rocky hillsides and suburban margins. They shelter under logs, rocks, debris and in burrows, and are found from sea level into hill country.
Diet
Kingsnakes have a broad diet: other snakes, lizards, small mammals, birds, eggs, frogs and turtle eggs. Snakes are a notable component and the source of the name. All prey is killed by constriction — kingsnakes are known for exerting a powerful, efficient constriction relative to their size.
Behavior
Kingsnakes are active by day in cooler conditions and shift toward dawn, dusk and night in hot weather. They are ground-dwelling and largely solitary. Defensive behaviour includes tail-vibrating, musking and hissing rather than aggression toward people. Females lay eggs and do not attend them. Where kingsnakes are common, local rattlesnakes may respond to their scent with a distinctive body-bridging defensive posture rather than by striking.
Human Interaction & Conservation
Kingsnakes are harmless to people and are often valued for preying on venomous snakes and rodents, though this reputation should not encourage anyone to handle wild snakes. Some regional populations have declined, with habitat change, road mortality and other pressures implicated. This profile offers no handling, identification-for-safety, first-aid or pet-care guidance: unidentified snakes should be left alone and questions directed to local wildlife authorities. Verify current status at the IUCN Red List.
Frequently Asked Questions — Kingsnake
Do kingsnakes really eat other snakes?
Are kingsnakes immune to venom?
Are kingsnakes venomous?
Why is it called a kingsnake?
Sources and further reading
Authoritative wildlife references used for general educational context. Conservation status should always be verified against current IUCN Red List data. External links open in a new tab.
- UniversityAnimal Diversity Web — Lampropeltis getula (common kingsnake) — University of Michigan species account
- ReferenceThe Reptile Database — Museum-backed taxonomic database of reptile species
- Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status

