
Speckled Kingsnake
Lampropeltis holbrooki • Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Lampropeltis, Species: L. holbrooki
Found primarily in the central and southern United States, ranging from Iowa and Illinois south to the Gulf Coast, and west to Texas, Oklahoma, Kansas, and Nebraska.
Look up Speckled Kingsnake in the Snake Encyclopedia →Family
Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Lampropeltis, Species: L. holbrooki
Conservation
Listed as Least Concern on the IUCN Red List. Faces threats primarily from habitat loss due to agriculture and urban development, as well as road mortality.
Physical Description
The visible body shows a glossy black or dark brown background coloration with a distinct yellowish-white or pale yellow spot in the center of nearly every dorsal scale, creating a salt-and-pepper or speckled pattern. Scales are smooth and glossy. The head is relatively continuous with the neck.
Size & Dimensions
Estimated specimen length is approximately 90 to 120 cm. Typical adult size ranges from 90 to 150 cm, with maximum recorded lengths reaching around 183 cm.
Habitat
Inhabits a wide variety of habitats including open woodlands, forest edges, prairies, river bottoms, agricultural fields, and suburban areas. Prefers areas with ample cover such as rotting logs, rock piles, or dense ground vegetation near water sources.
Diet & Feeding
Diet consists of rodents, lizards, birds, bird eggs, and other snakes, including other venomous species due to an innate resistance to native snake venoms. Uses an active foraging strategy to locate prey and subdues them through constriction.
Reproduction
Oviparous species. Females typically lay clutches of 2 to 24 eggs in subterranean burrows, under rotting logs, or beneath rocks during early summer. Eggs incubate for about two months before hatching.
Look-alikes
Can be confused with the Eastern Black Kingsnake (Lampropeltis nigra) or morphs of the Common Kingsnake (Lampropeltis getula), which feature narrower banding or different speckling densities depending on geographic intergrade zones.
Conservation Status
Listed as Least Concern on the IUCN Red List. Faces threats primarily from habitat loss due to agriculture and urban development, as well as road mortality.
Cultural Significance
Valued ecologically as an effective controller of rodent and pest populations. Often appreciated by gardeners and landowners for its role in keeping venomous snake populations in check around properties.
Notable Features
Known for the distinctive 'salt-and-pepper' speckled dorsal pattern and a natural physiological immunity to the venom of local pit vipers, allowing them to readily prey upon other snakes.