Night Snakes
Hypsiglena
Hypsiglena is a genus of small, rear-fanged, colubrid snakes commonly referred to as night snakes. The genus consists of nine species, and subspecies have been maintained pending further investigation.
9 branches of this genus, most-observed first · about 9 known species
Chihuahuan Nightsnake
speciesHypsiglena jani
Desert Nightsnake
speciesHypsiglena chlorophaea
Coast Night Snake
speciesHypsiglena ochrorhynchus
Sinaloan Nightsnake
speciesHypsiglena torquata
Baja California Night Snake
speciesHypsiglena slevini
Tanzer’s Night Snake
speciesHypsiglena tanzeri
Rio Grande de Santiago Nightsnake
speciesHypsiglena affinis
Islas Revillagigedo Nightsnake
speciesHypsiglena unaocularus
Isla Santa Catalina Nightsnake
speciesHypsiglena catalinae
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Hypsiglena in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 29934.