Snake Identifier
Eastern Milksnake

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.

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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.

Identified on 10/7/2026
Eastern Milksnake - Lampropeltis triangulum | Snake Identifier