Steppe Rat Snake

The steppe rat snake is a moderately sized colubrid with an extensive range across Central Asia, Russia, Mongolia, northern China, and parts of the Korean Peninsula. It is notable for its tolerance of cold, arid, and semi-arid environments.

It is non-venomous and considered harmless to humans, generally displaying a mild temperament.

Its wide distribution and adaptability to steppe and desert-edge habitats make it one of the more ecologically flexible rat snakes in Asia.

The dorsal color is typically gray, brown, or olive with a series of darker brown or gray blotches down the back, sometimes fading to more uniform coloration in older individuals.

• Smooth scales
• Slender to moderately built body
• Narrow head with round pupils
• Often shows a dark stripe through the eye
• Adults typically reach 0.7-1.1 m

This species inhabits steppe grassland, semi-desert, rocky outcrops, and agricultural areas across a vast range spanning Central Asia, southern Russia, Mongolia, northern China, and the Korean Peninsula, tolerating cold winters through hibernation.

The steppe rat snake is diurnal and generally calm, rarely biting when encountered. It shelters in rodent burrows, rock crevices, or under debris, and undergoes winter dormancy in colder parts of its range.

It preys on small rodents, lizards, and occasionally birds or eggs, subduing prey by constriction. It is oviparous, laying small clutches of eggs in early to midsummer.