Southwestern Blackhead Snake
Tantilla hobartsmithi
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusTantilla (Centipede Snakes)
- SpeciesTantilla hobartsmithi (Southwestern Blackhead Snake)
Closest Relatives at Death Valley National Park
Gopher Snake
Pituophis catenifer
Coachwhip
Masticophis flagellum
Western Patch-nosed Snake
Salvadora hexalepis
California King Snake
Lampropeltis californiae
Western Leaf-nosed Snake
Phyllorhynchus decurtatus
Glossy Snake
Arizona elegans
Long-nosed Snake
Rhinocheilus lecontei
Western Shovel-nosed Snake
Sonora occipitalis
Ground Snake
Sonora semiannulata
Baja California Lyre Snake
Trimorphodon lyrophanes
Desert Nightsnake
Hypsiglena chlorophaea
Striped Whipsnake
Masticophis taeniatus
📅 Monthly Probability
Fewer than 5 records of Southwestern Blackhead Snake at Death Valley National Park — not enough to chart months honestly.
☀️🌙 When They're Spotted
Active throughout day and night · 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 | Big Bend National Park | 🇺🇸 United States | |
| 2 | Death Valley National Park | 🇺🇸 United States | |
| 3 | Grand Canyon National Park | 🇺🇸 United States |