Chihuahuan Nightsnake

Closest Relatives at Big Bend National Park

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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	Big Bend National Park	🇺🇸 United States	20–30%
2	Cumbres de Monterrey National Park	🇲🇽 Mexico	<5%
3	Guadalupe Mountains National Park	🇺🇸 United States	Insufficient data

Quick answers

What are the chances of seeing a Chihuahuan Nightsnake in Big Bend National Park?

About 25% of visitor-days record a Chihuahuan Nightsnake sighting in Big Bend National Park, based on 80 observer-days of citizen-science data from GBIF.

When is the best time to see Chihuahuan Nightsnake in Big Bend National Park?

September has the highest sighting rate for Chihuahuan Nightsnake in Big Bend National Park in our monthly data.