
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.
Look up Gray Ratsnake in the Snake Encyclopedia →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.