Snake Identifier
Longnose Snake

Longnose Snake

Rhinocheilus leconteiOrder: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Rhinocheilus, Species: R. lecontei

Found in the western United States (including parts of California, Nevada, Utah, Arizona, New Mexico, Texas, and smaller portions of neighboring states) and northern Mexico.

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Family

Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Rhinocheilus, Species: R. lecontei

Conservation

Least Concern according to the IUCN Red List, with widespread distribution and stable populations, though locally impacted by habitat loss and road mortality.

Physical Description

The specimen displays a distinct pattern of dark blotches (black, dark brown, or gray) along the back interspersed with lighter reddish or yellowish-white interspaces, often with checkered or speckled sides. The head is slightly distinct from the neck with a pointed snout typical of burrowing snakes.

Size & Dimensions

The pictured specimen appears to be approximately 60-90 cm. Typical adult size ranges from 51 to 108 cm in total length.

Habitat

Found in arid and semi-arid regions including deserts, shrublands, grasslands, and chaparral. They prefer sandy or gravelly soils where they can easily burrow.

Diet & Feeding

Primarily feeds on lizards, lizard eggs, small snakes, and occasionally small rodents. They are active foragers that search for prey in rodent burrows and under rocks.

Reproduction

Oviparous species. Females typically lay clutches of 4 to 9 eggs in underground nests during the summer months.

Look-alikes

Often confused with various king snakes (Lampropeltis species) and patch-nosed snakes (Salvadora species). Distinguished by an undivided anal plate in some related groups, but specifically by snout shape and specific red/black saddle patterns.

Conservation Status

Least Concern according to the IUCN Red List, with widespread distribution and stable populations, though locally impacted by habitat loss and road mortality.

Cultural Significance

Plays an important role in arid ecosystems by helping control populations of rodents and lizards.

Notable Features

Features a specialized uptrodden or pointed rostral scale adapted for pushing through loose sand and soil during burrowing.

Identified on 9/5/2026