Southwestern Blackhead Snake

Closest Relatives at Big Bend National Park

See all 12 relatives Show fewer

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	0–10%
2	Death Valley National Park	🇺🇸 United States	Insufficient data
3	Grand Canyon National Park	🇺🇸 United States	Insufficient data

Quick answers

What are the chances of seeing a Southwestern Blackhead Snake in Big Bend National Park?

About 8% of visitor-days record a Southwestern Blackhead Snake sighting in Big Bend National Park, based on 11 observer-days of citizen-science data from GBIF.

When is the best time to see Southwestern Blackhead Snake in Big Bend National Park?

July has the highest sighting rate for Southwestern Blackhead Snake in Big Bend National Park in our monthly data.