
Eastern Milksnake
Lampropeltis triangulum • Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Lampropeltis, Species: L. triangulum
Found across eastern North America, ranging from southern Ontario and Quebec south to Georgia, Mississippi, and Louisiana, and west to the Great Plains.
Look up Eastern Milksnake in the Snake Encyclopedia →Family
Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Lampropeltis, Species: L. triangulum
Conservation
IUCN Red List status is Least Concern, though local populations face threats from habitat fragmentation, road mortality, and intentional killing.
Physical Description
The juvenile specimen in the jar displays a dark body coloration patterned with contrasting white or light grey blotches and speckles, a distinct checkered belly pattern, a rounded head, and smooth scales.
Size & Dimensions
The specimen shown is a small juvenile, approximately 20 to 30 cm in length. Adults typically range from 60 to 130 cm.
Habitat
Inhabits a wide variety of habitats including open woodlands, fields, agricultural areas, rocky hillsides, and forest edges, typically from sea level up to intermediate elevations.
Diet & Feeding
Diet consists primarily of small rodents, lizards, birds, bird eggs, and other snakes, utilizing constriction to subdue prey.
Reproduction
Oviparous, laying clutches of 2 to 24 eggs in rotting logs, damp soil, or under rocks during early summer.
Look-alikes
Frequently confused with various species of rat snakes, water snakes, and venomous pit vipers due to its blotched pattern and defensive tail-shaking behavior.
Conservation Status
IUCN Red List status is Least Concern, though local populations face threats from habitat fragmentation, road mortality, and intentional killing.
Cultural Significance
Historically associated with folklore regarding the false belief that they milked cows in barns, but ecologically beneficial as natural pest controllers.
Notable Features
Known for vibrant contrasting patterns that can mimic venomous species, and a tendency to vibrate the tail rapidly when threatened to mimic rattlesnakes.