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Hypsiglena torquata, the night snake, is a species of rear-fanged colubrid. It is found from Mexico , through much of the eastern United States and south central British Columbia , Canada [ 3 ] [ 4 ] It is characterized by dark brown systematic blotches down its back and sides, a bar behind each eye, vertical pupils, and neck adornment.
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 ...
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 .
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]
Print/export Download as PDF; Printable version; In other projects Wikidata item; ... Night snake may refer to: Siphlophis, a snake genus, the spotted night snakes;
Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Hypsiglena tanzeri, the Rio Verde night snake or Tanzer's night snake, ...
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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 ]