Snake Identifier
Black Rat Snake

Black Rat Snake

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

Eastern United States, from the Atlantic coast west to the Mississippi River and from southern Canada to Florida.

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Family

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

Conservation

Least Concern (IUCN); however, they face threats from habitat loss and human persecution due to being mistaken for other snakes.

Physical Description

Large, heavily bodied snake with predominantly black dorsal scales. The scales are weakly keeled. The chin is typically white or cream-colored, and the belly often has a white and black checkered pattern.

Size & Dimensions

Specimen appears to be an adult approximately 4-5 feet (1.2-1.5 meters). Typical adult range is 3 to 6 feet, with a record max of 8.5 feet.

Habitat

Generalist species found in hardwood forests, wetlands, rocky hillsides, and farm fields; known for excellent climbing in trees and on buildings (arboreal and terrestrial).

Diet & Feeding

Active forager specializing in rodents, birds, and eggs. They are powerful constrictors that dispatch prey before ingestion.

Reproduction

Oviparous (egg-laying); typically 5 to 20 eggs laid in mid-summer in hollow logs or mulch piles, hatching in late summer or fall.

Conservation Status

Least Concern (IUCN); however, they face threats from habitat loss and human persecution due to being mistaken for other snakes.

Cultural Significance

Highly valued by farmers for ecological pest control, as they consume large quantities of destructive rodents.

Notable Features

Renowned for their exceptional climbing ability, often found high in trees or scaling vertical walls to find bird nests or rodent entry points.

Identified on 6/19/2026
Black Rat Snake - Pantherophis alleghaniensis | Snake Identifier