Snakes
Chihuahuan Nightsnake
Hypsiglena jani
Across the regions where it's common, the Chihuahuan Nightsnake peaks from March to July.
Shows up in 2 ecoregions and 2 states
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Snakes
Chihuahuan Nightsnake
Hypsiglena jani
Description
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. H. jani grows from 10 to 16 inches (25 to 41 centimetres) in total length (including tail), record 20 inches (51 cm).Wikipedia ↗
Habitat
H. jani ranges from southern Kansas to southern Colorado, and south throughout New Mexico, the western half of Texas to central Mexico. The species is native to the southwestern United States and adjacent northeastern Mexico.Wikipedia ↗
When it's active
As the common names imply, H. jani is a primarily nocturnal snake. H. jani is an oviparous species that breeds in the spring rainy season, laying 4–6 eggs that take approximately 8 weeks to incubate before hatching.Wikipedia ↗

Often mistaken for
When and where it's active
Each row is its own calendar, counted from records in that area. Seasons shift by place.
Ecoregions
States
About the Chihuahuan Nightsnake
When is the Chihuahuan Nightsnake most active?
Across the regions where it's common, the Chihuahuan Nightsnake peaks from March to July.
Where does the Chihuahuan Nightsnake live?
It has enough records to show in 2 ecoregions and 2 states, including New Mexico and Texas.
What does the Chihuahuan Nightsnake look like?
It's often confused with the Western Diamond-backed Rattlesnake, Prairie Rattlesnake, and Western Rattlesnake.