The smooth snake ('Coronella austriaca') is a species of non-venomous snake in the family 'Colubridae'. The species is found in northern and central Europe, but also as far east as northern Iran. The Reptile Database recognizes two subspecies as being valid, including the nominotypical subspecies described here.

The smooth snake feeds on smaller animals, especially other reptiles. It subdues larger prey by constriction, although unlike true constrictors it does not kill by this method. Smooth snakes are ovoviviparous. The juveniles hatch out of eggs internally and are born live.

In Britain it is restricted to heathland habitats.

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