Thomas's Racer
Pseudalsophis thomasi
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusPseudalsophis (Galápagos and Elegant Racers)
- SpeciesPseudalsophis thomasi (Thomas's Racer)
Closest Relatives at Galápagos Islands
Fernandina Racer
Pseudalsophis occidentalis
Striped Galapagos Snake
Pseudalsophis steindachneri
Santa Cruz Racer
Pseudalsophis dorsalis
Darwin's Racer
Pseudalsophis darwini
Hood Island Racer
Pseudalsophis hoodensis
Santiago Racer
Pseudalsophis hephaestus
📅 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 | Galápagos Islands | 🇪🇨 Ecuador |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Thomas's Racer in Galápagos Islands?
About 6% of visitor-days record a Thomas's Racer sighting in Galápagos Islands, based on 21 observer-days of citizen-science data from GBIF.
When is the best time to see Thomas's Racer in Galápagos Islands?
January has the highest sighting rate for Thomas's Racer in Galápagos Islands in our monthly data.