Eastern Patch-nosed Snake
Salvadora grahamiae
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusSalvadora (Patch-nosed Snakes)
- SpeciesSalvadora grahamiae (Eastern Patch-nosed Snake)
5–10% of wildlife watchers report a Eastern Patch-nosed Snake sighting in Big Bend National Park, based on 13 days of visitor records from GBIF citizen-science data.
Closest Relatives at Big Bend National Park
Big Bend Patchnose Snake
Salvadora deserticola
Trans-pecos Ratsnake
Bogertophis subocularis
Chihuahuan Nightsnake
Hypsiglena jani
Coachwhip
Masticophis flagellum
Long-nosed Snake
Rhinocheilus lecontei
Gopher Snake
Pituophis catenifer
Great Plains Ground Snake
Sonora episcopa
Black-necked Gartersnake
Thamnophis cyrtopsis
Baird's Ratsnake
Pantherophis bairdi
Plain-bellied Water Snake
Nerodia erythrogaster
Glossy Snake
Arizona elegans
Striped Whipsnake
Masticophis taeniatus
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Guadalupe Mountains National Park | 🇺🇸 United States | |
| 2 | Big Bend National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Eastern Patch-nosed Snake in Big Bend National Park?
About 7% of wildlife watchers report a Eastern Patch-nosed Snake sighting in Big Bend National Park, based on 13 days of visitor records from GBIF citizen-science data.
When is the best time to see Eastern Patch-nosed Snake in Big Bend National Park?
September has the highest sighting rate for Eastern Patch-nosed Snake in Big Bend National Park in our monthly data.