Dipsadidae

Chihuahuan Nightsnake

Hypsiglena jani

Rear-fanged
Chihuahuan Nightsnake
(c) Alina Martin, some rights reserved (CC BY) · CC BY 4.0 · Image source ↗Displayed copies may be resized; the full image is preserved.

A closer look

A small, secretive night hunter with mild rear-fanged venom not considered dangerous to people. It is most often associated with rocky dry country and typically feeds on lizards and small snakes.

Habitat
Rocky dry country
On the menu
Lizards and small snakes
Behavior
A mostly secretive ground hunter that spends much of its time under cover.
Danger level: bite caution

Rear-fanged and not generally considered medically significant, but any wild snake can bite. Do not handle.

Safety & bite guidance ↗
Watch this snake & listen to its story ↗

Where it is listed

A sense of place.

6 jurisdictions
Chihuahuan Nightsnake: jurisdiction presenceHighlighted jurisdictions: Arizona, Colorado, Kansas, New Mexico, Oklahoma, Texas. This map shows checklist presence, not local occurrence.ALASKAHAWAIITERRITORIESPR · VIGU · AS · MP
Source-listedProvisionalNo record in this snapshot

Checklist presence only. A highlighted state is not a local range boundary. Territory tiles are schematic.

State & territory checklist

About continuous range data

A verified habitat-model layer is not available for this species in this release. Earlier broad sketches connected jurisdiction locations; they did not show measured occurrence or USGS habitat predictions.

Use USGS distribution resources ↗ for available modeled habitat data.