Snake Identifier
Western Whip Snake (Hierophis viridiflavus)
Biacco giovane Ifroz by Ifroz, via Wikimedia Commons, licensed under CC BY-SA 3.0
Colubrids

Western Whip Snake

Hierophis viridiflavus

A fast, alert colubrid of southern Europe known for its bold yellow-and-black pattern and defensive temperament.

Venomous?
Non-venomous
Adult length
1.0-1.8 m (3.3-6 ft)
Range
Southwestern and southern Europe

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Overview

The Western Whip Snake is a large, fast-moving colubrid found across southwestern and southern Europe. It is non-venomous and not dangerous to humans, though it has a reputation for being defensively aggressive when cornered, readily biting rather than fleeing in some encounters.

It is one of the most commonly encountered large snakes in parts of its Mediterranean range, often seen basking or crossing open ground rapidly.

How to identify it

  • Long, slender body with smooth scales
  • Coloration typically black or dark olive with yellow spotting or streaking, especially pronounced anteriorly
  • Juveniles often more greenish with less contrasting pattern
  • Round pupils
  • Fast, whip-like movement

The bold yellow-and-black coloration combined with a long, slender build and rapid movement helps identify this species in the field.

Habitat & range

Found in scrubland, open woodland, rocky hillsides, hedgerows, and agricultural edges across France, Italy, Spain, and parts of the Balkans. Common in warm, sunny Mediterranean habitats.

Behavior, diet & reproduction

Diurnal and extremely fast-moving, often fleeing rapidly when disturbed but capable of aggressive defensive biting if cornered. Feeds on lizards, small mammals, birds, and other snakes, actively pursuing prey. Reproduction is egg-laying (oviparous), with clutches typically of 5-15 eggs.

Frequently asked questions

Is the Western Whip Snake venomous?

No, it is non-venomous, though it can be defensively aggressive and quick to bite if cornered.

How fast is the Western Whip Snake?

It is one of the fastest-moving snakes in Europe, often fleeing rapidly across open ground.

Where is the Western Whip Snake found?

It occurs across southwestern and southern Europe, including France, Italy, and Spain.

What does the Western Whip Snake eat?

It preys on lizards, small mammals, birds, and other snakes.