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Coast Mountain Kingsnake

lampropeltis multifasciata

The Coast Mountain Kingsnake is a stunningly vibrant reptile native to the montane and coastal regions of the western United States. Renowned for its brilliant tricolor pattern of red, black, and white bands, this secretive snake is a true crown jewel of western herpetofauna. It is highly valued by nature enthusiasts for its striking appearance and elusive nature. Though completely harmless to humans, its mimicry of venomous species provides a fascinating lesson in evolutionary defense. It spends much of its life hidden away, making any sighting a memorable event.

Habitat: Found in damp, rocky canyons and coniferous or mixed-oak forests of coastal and mountain regions, often near streams or under rotting logs.

Appearance

This slender snake typically measures between 50 to 100 centimeters in length and is instantly recognizable by its bold, repeating pattern of red, black, and white or cream-colored rings. The red bands are bordered on both sides by black, which separates them from the white bands. It has smooth, glossy scales that give it a polished appearance, a small head that is barely wider than its neck, and dark, round eyes.

KingdomAnimaliaPhylumChordataClassReptiliaOrderSquamataFamilyColubridaeGenusLampropeltis
Coast Mountain Kingsnake
Coast Mountain Kingsnake

Category

Reptiles

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Their mimicry of coral snakes is considered a 'ghost mimicry' in northern regions, as actual coral snakes do not overlap in their range.

They are highly fossorial, spending up to ninety-five percent of their lives hidden beneath the leaf litter, soil, or rocks.

When threatened, they may vibrate their tails against dry leaves to produce a buzzing sound that mimics a rattlesnake.

Special abilities

Ability

Batesian Mimicry

Displays bright warning coloration mimicking venomous coral snakes to discourage potential predators, despite being completely harmless.

Ability

Venom Resistance

Possesses a natural immunity to the venom of local pit vipers, allowing it to safely hunt and consume rattlesnakes.

Ability

Powerful Constriction

Utilizes tight body coils to exert high pressure on prey, quickly cutting off circulatory flow before ingestion.

Measurements & details

Length
50-100 cm
Weight
0.1-0.4 kg
Lifespan
10-20 years
Top Speed
5 km/h
Clutch Size
3-9
Incubation
50-65 days

Diet & Feeding

A specialized carnivore that feeds on lizards, small mammals, and other snakes, utilizing constriction to subdue its prey.

Age differences: Juveniles consume mostly small lizards and salamanders, while adults take larger prey like rodents and other snakes.

Primary Foods

  • Western Fence Lizard
  • Deer Mouse
  • Western Rattlesnake
  • Ensatina Salamander

Foraging Method

  • Constriction

Ecological connections

Traits

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Also known as

California Mountain KingsnakeLampropeltis zonata

Collections

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Coast Mountain Kingsnake?

The easiest way to identify Coast Mountain Kingsnake is to use the Snappit nature identifier app.

How long is Coast Mountain Kingsnake?

50-100 cm

How much does Coast Mountain Kingsnake weigh?

0.1-0.4 kg

How long does Coast Mountain Kingsnake live?

10-20 years

How fast can Coast Mountain Kingsnake move?

5 km/h

What does Coast Mountain Kingsnake eat?

A specialized carnivore that feeds on lizards, small mammals, and other snakes, utilizing constriction to subdue its prey.

Where is Coast Mountain Kingsnake usually found?

Found in damp, rocky canyons and coniferous or mixed-oak forests of coastal and mountain regions, often near streams or under rotting logs.

How does Coast Mountain Kingsnake hunt?

Constriction

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