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Hypsiglena torquata, the Sinaloan night snake, is a species of rear-fanged colubrid. It is endemic western Mexico. [ 3 ] It is characterized by dark brown systematic blotches down its back and sides, a bar behind each eye, vertical pupils, and neck adornment.
The California night snake grows to a total length of 12 to 26 inches (30 to 66 cm), with hatchlings about 7 inches in total length. [3] The snake has a narrow flat head, smooth dorsal scales in 19 rows, and eyes with vertically elliptical pupils. [3] They are rear-fanged and considered to be venomous, but not dangerous to humans. [3]
Hypsiglena ochrorhynchus, also known commonly as the coast night snake and the spotted night snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to California in the United States and to the Baja California Peninsula in Mexico. There are eight recognized subspecies. [2]
Hypsiglena unaocularus, commonly known as the Islas Revillagigedo night snake or Clarión night snake, is a species of small colubrid snake endemic to Clarion Island, initially described from a single specimen collected by William Beebe in 1936. During the next several decades, scientists were unable to detect any trace of the snake in their ...
This is a list of extant snakes, given by their common names. Note that the snakes are grouped by name, and in some cases the grouping may have no scientific basis. Contents:
Hypsiglena jani, commonly known as the Texas night snake or the Chihuahuan night snake, is a small species of mildly venomous snake in the subfamily Dipsadinae of the family Colubridae. The species is native to the southwestern United States and adjacent northeastern Mexico .
Hypsiglena chlorophaea, the desert night snake, is a species of snake in the family Colubridae. The species is native to Mexico, Canada, and the United States. [2]
There is a genus of snake named spotted night snake: Siphlophis; There is also a species of snake named spotted night snake: Hypsiglena ochrorhynchus