Long-nosed Snake
Rhinocheilus lecontei • Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Rhinocheilus, Species: R. lecontei
Western North America, ranging from the southwestern United States (including Arizona, California, Nevada, Utah, New Mexico, and Texas) down into northern Mexico.
Look up Long-nosed Snake in the Snake Encyclopedia →Family
Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Rhinocheilus, Species: R. lecontei
Conservation
IUCN Red List status is Least Concern, as it has a wide distribution and generally stable populations, though local habitat loss due to urban development remains a persistent threat.
Physical Description
Slender body with a distinct color pattern featuring alternating dark blotches or rings of black, white, cream, or yellow, and frequently red markings. It features a pointed, upturned snout adapted for burrowing, smooth scales, and a slender head that is only slightly distinct from the neck.
Size & Dimensions
The pictured specimen appears to be a juvenile, roughly 25 to 35 cm in length. Adults typically range from 50 to 90 cm, with maximum recorded lengths reaching over 100 cm.
Habitat
Arid and semi-arid environments including deserts, shrublands, grasslands, and chaparral regions, often found under rocks, surface objects, or burrowed in loose sandy soils from sea level up to elevations of around 2,000 meters.
Diet & Feeding
Primarily specializes in eating lizards, lizard eggs, and occasionally small rodents or amphibians, employing an active foraging strategy to locate prey in burrows or under cover.
Reproduction
Oviparous species that typically breeds in the spring, with females laying clutches of 4 to 9 elongated eggs during the early summer months in underground nests or beneath decaying vegetation.
Look-alikes
Frequently confused with shovel-nosed snakes (Chionactis) and various kingsnakes (Lampropeltis) due to similar banded or blotched patterns, but can be distinguished by its undivided anal plate and distinctively upturned, light-colored snout.
Conservation Status
IUCN Red List status is Least Concern, as it has a wide distribution and generally stable populations, though local habitat loss due to urban development remains a persistent threat.
Cultural Significance
Serves an important ecological role in arid ecosystems by helping to control populations of native lizards and small rodents.
Notable Features
Possesses a specialized rostral scale that forms a slightly upturned, shovel-like snout, which is an evolutionary adaptation facilitating efficient subterranean burrowing in loose desert soils.
Notes
North Scottsdale