Snake Identifier
Gray Ratsnake

Gray Ratsnake

Pantherophis spiloides • Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Pantherophis, Species: P. spiloides

Found primarily in the eastern and central United States, extending from New York and Georgia west to Louisiana, Mississippi, and parts of Wisconsin and Illinois.

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Family

Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Pantherophis, Species: P. spiloides

Conservation

IUCN Red List status is Least Concern, though local populations face threats from habitat fragmentation, road mortality, and intentional killing.

Physical Description

Displays a pattern of dark gray to black blotches or saddles along the back over a lighter gray background. The head is relatively distinct from the neck with dark spear-like or blotched markings on top, and scales are weakly keeled.

Size & Dimensions

Specimens typically range from 90 to 183 cm (36 to 72 inches) in total length, with maximum lengths exceeding 200 cm.

Habitat

Occupies a wide variety of habitats including deciduous and coniferous forests, agricultural lands, rocky wooded hillsides, floodplains, and suburban areas. Highly arboreal and often found climbing trees or rafters.

Diet & Feeding

Consists primarily of rodents, birds, bird eggs, and bats. It is an adept climber that constricts its prey before ingestion.

Reproduction

Oviparous species, laying clutches typically ranging from 10 to 30 eggs in rotting wood, leaf litter, or beneath flat rocks during early summer.

Conservation Status

IUCN Red List status is Least Concern, though local populations face threats from habitat fragmentation, road mortality, and intentional killing.

Cultural Significance

Acts as a beneficial natural controller of rodent populations in agricultural and suburban areas, often referred to colloquially as a chicken snake or barn snake.

Notable Features

Exceptional climbing ability, allowing it to scale vertical brick walls, smooth tree bark, and rafters with ease.

Identified on 9/25/2026