Snake Identifier
Eastern Milksnake

Eastern Milksnake

Lampropeltis triangulum • Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Lampropeltis, Species: L. triangulum

Found in eastern North America, ranging from southern Ontario and Quebec south to North Carolina, Kentucky, and Tennessee, and west to Wisconsin and Iowa.

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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. Populations face local threats from habitat fragmentation, road mortality, and intentional killing due to misidentification.

Physical Description

Displays a pattern of dark brown to reddish-brown blotches edged in black along the back and sides, set against a lighter gray, tan, or whitish background. The head often features a light Y-shaped or V-shaped marking on the back of the neck.

Size & Dimensions

Specimen is approximately 60-70 cm long. Typical adult length ranges from 60 to 130 cm.

Habitat

Occupies a wide variety of habitats including fields, forests, agricultural lands, and rocky wooded hillsides. Often found beneath logs, rocks, boards, and other surface cover.

Diet & Feeding

Feeds primarily on small rodents, lizards, birds, bird eggs, amphibians, and other snakes. Hunts actively or waits in ambush under cover, subduing prey by constriction.

Reproduction

Oviparous species, laying clutches averaging 8 to 20 eggs in decaying vegetation, rotting logs, or loose soil during early summer.

Conservation Status

IUCN Red List status is Least Concern. Populations face local threats from habitat fragmentation, road mortality, and intentional killing due to misidentification.

Cultural Significance

Historically associated with the rural myth that they could milk cows (hence the common name). Ecologically important as natural pest controllers by managing rodent populations.

Notable Features

Possesses smooth scales and a glossy appearance. Known to vibrate its tail rapidly in dry leaves when disturbed, mimicking the sound of a rattlesnake.

Identified on 10/1/2026