Chihuahuan Night Snake
Hypsiglena jani
- H. jani – Brewster Co, TX – photo by Brad Chambers
- H. jani – Hudspeth Co, TX – photo by Jason Penney
- H. jani – LaSalle Co, TX – photo by Tom Lott
- H. jani – Presidio Co, TX – photo by Ben Stupavsky
- H. jani – Presidio Co, TX – photo by Ben Stupavsky
- H. jani – Presidio Co, TX – photo by Connor Travis
- H. jani – Presidio Co, TX – photo by Michael Price
- Map by Steve Bledsoe, SWCHR
DISTRIBUTION: In our region, Hypsiglena jani occurs all of the western two-thirds of the state of Texas and in the eastern, central and southern regions of New Mexico.
LEGAL STATUS: No Listings
MEANING OF SCIENTIFIC NAME: Hypsiglena jani (Duges – 1865)
Genus: Hypsiglena, Greek – hypsi = high + glenes = eyes
Species: jani, honors George Jan
Ref. Ellen Beltz 2006
Ref. E. Jeager 1962







