
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 through Maine, Georgia, and west to parts of the Mississippi River valley.
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 due to misidentification.
Physical Description
Features a pattern of dark brown or reddish-brown blotches edged in black along a lighter grey, tan, or whitish background. The head has a distinct light Y- or V-shaped mark on the nape. Scales are smooth and glossy.
Size & Dimensions
Estimated specimen length is approximately 60 to 90 cm. Typical adult size ranges from 60 to 132 cm in total length.
Habitat
Inhabits a wide variety of habitats including forests, fields, rocky hillsides, agricultural land, and near human habitations, often utilizing microhabitats under rocks, logs, and debris.
Diet & Feeding
Preys primarily on small mammals, birds, eggs, lizards, amphibians, and other snakes. Hunts actively or via ambush, subduing prey through constriction.
Reproduction
Oviparous species. Females typically lay a clutch of 2 to 24 eggs in mid-summer under rotting logs, leaf litter, or loose soil, where they incubate for about two months.
Conservation Status
IUCN Red List status is Least Concern, though local populations face threats from habitat fragmentation, road mortality, and intentional killing due to misidentification.
Cultural Significance
Historically associated with folklore, including the myth that they sneak into barns to drink milk directly from cows, which is biologically impossible. They play a beneficial role in controlling rodent populations.
Notable Features
Famous for Batesian mimicry patterns resembling other species in certain regions, although Eastern milksnakes typically display a blotched pattern rather than bright rings.