DeKay's Brownsnake

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

DeKay's Brownsnake

Venomous Status

Non-venomous; aglyphous (lacks specialized fangs or venom delivery system).

Danger Level

Harmless; they pose no threat to humans or pets. They are very unlikely to bite even when handled, usually relying on musk or flattening their bodies as defense.

Geographic Range

Widely distributed across North America, ranging from southern Canada (Ontario, Quebec) through the eastern and central United States, and south into Mexico and Central America as far as Honduras.

Conservation Status

IUCN Red List: Least Concern. They are highly resilient to habitat fragmentation and thrive in human-altered landscapes.

Physical Description

Small, slender snake with a base color ranging from light brown to gray or almost black (as seen in this darker specimen). It typically features two rows of small dark spots bordering a lighter central dorsal stripe. The head is relatively small with a dark spot below the eye and on the temporal region. Scales are keeled (rough to the touch).

Size & Dimensions

The specimen in the container appears to be an adult or sub-adult, roughly 8-12 inches (20-30 cm) long. Typical adult size for the species is 9 to 13 inches (23-33 cm), with a maximum record of about 20 inches.

Habitat

Highly adaptable; found in woodlands, wetlands, and grasslands. It is notably 'synanthropic,' commonly inhabiting urban and suburban areas including backyards, vacant lots, and under debris in gardens. They prefer moist soil and microhabitats under rocks or logs.

Behavior & Temperament

Primarily nocturnal or crepuscular, though active during the day in cooler weather. They are very docile and secretive. Defensive behaviors include releasing a foul-smelling musk from the cloaca and occasionally flattening the head to appear larger.

Diet & Feeding

Specialized diet consisting primarily of soft-bodied invertebrates like earthworms, slugs, and snails. They possess specialized teeth and jaw adaptations to extract snails from their shells.

Reproduction

Viviparous (gives birth to live young rather than laying eggs). Litters typically range from 3 to 40 young, born in late summer (July–September).

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

Commonly confused with the Red-bellied Snake (Storeria occipitomaculata) which has a bright red underside, or juvenile Garter Snakes (Thamnophis sills.) which have more distinct longitudinal stripes and lacking the specific 'checkerboard' spotting of the Brownsnake.

Conservation Status

IUCN Red List: Least Concern. They are highly resilient to habitat fragmentation and thrive in human-altered landscapes.

Cultural Significance

Crucial ecological role as natural pest control in gardens, as they consume large quantities of slugs and snails that damage ornamental plants and crops.

Notable Features

One of the most common snakes in metropolitan areas, often living entire lives in urban gardens without being detected by residents due to their secretive nature and diminutive size.

Identified on 4/11/2026