smooth snake, (Coronella austriaca), moderately abundant, nonvenomous snake occurring from western Europe to the Caucasus, belonging to the family Colubridae. It has smooth, glossy scales and is usually not more than 70 cm (28 inches) long.
It eats lizards, other small vertebrates, and insects. Mating occurs in April or May, and the female gives birth to 7–14 live young by August or September.