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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 is a genus of small, rear-fanged snakes, commonly referred to as night snakes, in the subfamily Dipsadinae of the family Colubridae. The genus consists of nine species . Three of these species have subspecies , which have been maintained pending further investigation.
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]
Download as PDF; Printable version; ... the Rio Verde night snake or Tanzer's night snake, is a species of snake in the family Colubridae.
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]
This is a checklist of American reptiles found in Northern America, based primarily on publications by the Society for the Study of Amphibians and Reptiles (SSAR). [1] [2] [3] It includes all species of Bermuda, Canada, Greenland, Saint Pierre and Miquelon, and the United States including recently introduced species such as chameleons, the Nile monitor, and the Burmese python.
Description Photograph California mountain kingsnake: Lampropeltis zonata: Least concern: Nonvenomous; adults reach 50–100 centimetres (20–39 in). [2] Common garter snake: Thamnophis sirtalis: Least concern: Nonvenomous; adults reach up to 137.2 centimetres (54.0 in) [2] Bull snake (Great Basin gopher snake) Pituophis catenifer deserticola ...
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 .