Dekay's Brownsnake

Storeria dekayiOrder: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Natricinae, Genus: Storeria, Species: Storeria dekayi

Dekay's Brownsnake

Venomous Status

Non-venomous; lacks fangs and venom glands.

Danger Level

Harmless; they pose no threat to humans or pets. They are generally reluctant to bite and have tiny teeth that rarely pierce human skin.

Geographic Range

Common throughout North America, ranging from southern Canada through the eastern and central United States, and into parts of northern and central Mexico.

Conservation Status

Least Concern (IUCN). They are abundant and resilient to human-altered landscapes, though they face threats from habitat destruction and pesticides.

Physical Description

Small, slender snake with a brown to grayish-brown base color. Features two parallel rows of small dark spots bordering a lighter central dorsal stripe. The head is small with dark temporal splotches behind large eyes with round pupils. Scales are heavily keeled.

Size & Dimensions

The specimen in the image appears to be an adult at approximately 9-12 inches (23-30 cm). The species typically ranges from 9 to 13 inches, with a maximum recorded length of about 19 inches.

Habitat

Generalist species found in forests, swamps, and grasslands, but highly adapted to suburban and urban environments. Often found under debris, logs, or in gardens and parks at low to moderate elevations.

Behavior & Temperament

Secretive and docile. Known for being diurnal or crepuscular. When threatened, they may flatten their bodies to appear larger or release a foul-smelling musk from their cloaca, but they rarely strike.

Diet & Feeding

Specialized diet consisting primarily of soft-bodied invertebrates like slugs, snails, and earthworms. They use their specialized teeth to pull snails from their shells.

Reproduction

Viviparous (gives birth to live young) rather than laying eggs. Typical litters range from 5 to 25 neonates, born in late summer.

Venom Profile

Venom Type

Non-venomous - no medically significant venom.

AI-generated — see a qualified source if acting on this. For any snakebite, call emergency services immediately.

Look-alikes

Often confused with Garter snakes (Thamnophis srtialis), which are usually larger with more distinct longitudinal stripes, or the Red-bellied snake (Storeria occipitomaculata), which has a distinctive red underside.

Conservation Status

Least Concern (IUCN). They are abundant and resilient to human-altered landscapes, though they face threats from habitat destruction and pesticides.

Cultural Significance

Highly valued by gardeners as a natural form of pest control due to their consumption of slugs and snails. They play a vital role in urban ecosystem health.

Notable Features

One of the few snake species that thrives in densely populated urban areas. They have specialized jaw morphology that allows them to extract snails from their shells efficiently.

Identified on 5/12/2026
Dekay's Brownsnake - Storeria dekayi | Snake Identifier