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Home > Snakes > Texas Night Snake

Texas Night Snake

Texas night snake is a species of small, mildly venomous snake, belonging to the colubrid family, found in southwestern United States and northeastern Mexico. The species is rear-fanged and nocturnal.



    Kingdom Animalia
    Phylum Chordata
    Subphylum Vertebrata
    Class Reptilia
    Order Squamata
    Suborder Serpentes
    Family Colubridae
    Subfamily Dipsadinae
    Genus Hypsiglena
    Scientific Name Hypsiglena jani


    Length 10 to 16 in (25 to 41 cm); largest recorded specimen measures 20 in (51 cm)
    Color Tan or gray with dark gray or dark brown irregular patches down the back; underside is unmarked
    Distribution Southern Kansas, southern Colorado, New Mexico, the western half of Texas,  central Mexico
    Habitat Semi-arid habitats with rocky soils
    Diet Mainly lizards, also feed on smaller snakes and sometime insects
    Hibernation Fact Hibernate during winter
    Venom Fact Slightly venomous
    Breeding Season Spring rainy season
    Mode of Reproduction Oviparous (egg laying)
    Clutch Size 4 to 6 eggs
    Incubation Period Around 2 months
    Reproductive Age After 1 year of age
    Average Lifespan More than 12 years in captivity

    Texas Night Snake Pictures Gallery

    Published on January 19th 2017 by under Snakes. Article was last reviewed on 13th June 2019.

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