Black Kingsnake
Lampropeltis nigra • Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Lampropeltis, Species: nigra
Southeastern United States, spanning from the Ohio River valley south to Alabama and Georgia, and west to the Mississippi River. It is a common native species in Kentucky.
Look up Black Kingsnake in the Snake Encyclopedia →Venomous Status
Non-venomous (no fangs)
Danger Level
Harmless; these snakes are not aggressive and pose no medical threat to humans or pets.
Family
Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Lampropeltis, Species: nigra
Conservation
IUCN Least Concern. Populations are generally stable, though they face threats from habitat loss and road mortality.
Physical Description
Solid black or very dark brown dorsal color with minimal speckling or faint white/yellow cross-bands (vestiges of a chain pattern). The head is only slightly wider than the neck, and the eyes have round pupils. Scales are smooth, giving the snake a glossy or shiny appearance.
Size & Dimensions
The specimen appears to be an adult around 3 to 4 feet in length. Typical adult size range is 36-48 inches (91-122 cm), with a maximum record near 6 feet.
Habitat
Generalist species found in forests, agricultural fields, wetlands, and suburban areas. Prefers microhabitats with abundant cover like rotting logs, rocks, and debris; it is both terrestrial and fossorial.
Behavior & Temperament
Diurnal or crepuscular. Generally docile and avoids confrontation, though it may rattle its tail in dry leaves or release musk if handled. Known for its calm temperament in the wild compared to other racers.
Diet & Feeding
Active forager specializing in 'ophiophagy' (eating other snakes), including venomous copperheads and rattlesnakes. Also consumes rodents, lizards, birds, and eggs using powerful constriction.
Reproduction
Oviparous (egg-laying). Females lay clutches of 3-24 eggs in early summer, which hatch in late summer or early autumn.
Venom Profile
Non-venomous - no medically significant venom.
Look-alikes
Eastern Ratsnake (Pantherophis alleghaniensis) which has keeled scales and a bread-loaf shaped body cross-section; Black Racer (Coluber constrictor) which is more slender with a distinct white chin and is much faster.
Conservation Status
IUCN Least Concern. Populations are generally stable, though they face threats from habitat loss and road mortality.
Cultural Significance
Highly valued by homeowners and farmers for their role in controlling rodent populations and keeping venomous snake populations in check near human dwellings.
Notable Features
Black Kingsnakes have evolved a biological immunity to the venom of North American pit vipers (copperheads, cottonmouths, and rattlesnakes), allowing them to safely hunt and consume these dangerous species.
Notes
Kentucky USA