Snake Identifier
Gray Rat Snake

Gray Rat Snake

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

Eastern and central North America, primarily ranging from Ontario, Canada, south through the eastern United States to the Gulf Coast, and west to the Mississippi River valley.

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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. Populations are generally stable, though localized declines occur due to habitat fragmentation and road mortality.

Physical Description

Slender body with a pattern of dark gray, brown, or black blotches over a lighter gray or brownish-gray background. Head is somewhat distinct from the neck with round pupils. Scales are weakly keeled.

Size & Dimensions

Specimens typically range from 100 to 183 cm (42 to 72 inches) in total length, with exceptionally large individuals reaching up to 210 cm (83 inches).

Habitat

Found in a wide variety of habitats including deciduous forests, wooded hillsides, agricultural fields, rocky outcrops, and suburban areas. Highly adaptable and frequently arboreal, often ascending trees and building structures.

Diet & Feeding

Diet consists primarily of rodents, birds, bird eggs, and bats. They are active foragers and skilled climbers that use constriction to subdue their prey.

Reproduction

Oviparous species, laying clutches typically ranging from 6 to 30 eggs in mid-summer within decaying vegetation, hollow logs, or loose soil under rocks.

Conservation Status

IUCN Red List status is Least Concern. Populations are generally stable, though localized declines occur due to habitat fragmentation and road mortality.

Cultural Significance

Highly beneficial to agriculture and human settlements due to their proficiency in controlling rodent populations.

Notable Features

Remarkable climbing ability allowing them to navigate vertical tree trunks and brick walls with ease, as well as the capacity to freeze in place or kink their bodies when threatened.

Identified on 10/14/2026