Chasen’s Mountain Pitviper
Garthius chaseni
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyViperidae (Vipèrids)
- GenusGarthius
- SpeciesGarthius chaseni (Chasen’s Mountain Pitviper)
Garthius chaseni, commonly known as Chasen's mountain pit viper, Chasen's tree viper, and the Kinabalu brown pit viper, is a species of pit viper in the family Viperidae. The species is endemic to the island of Borneo in Malaysia. No subspecies are currently recognized. It is monotypic in the genus Garthius. Wikipedia →
20–30% of wildlife watchers report a Chasen’s Mountain Pitviper sighting in Kinabalu Park, based on 19 days of visitor records from GBIF citizen-science data.
📅 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 | Kinabalu Park | 🇲🇾 Malaysia |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Chasen’s Mountain Pitviper in Kinabalu Park?
About 20% of wildlife watchers report a Chasen’s Mountain Pitviper sighting in Kinabalu Park, based on 19 days of visitor records from GBIF citizen-science data.
When is the best time to see Chasen’s Mountain Pitviper in Kinabalu Park?
August has the highest sighting rate for Chasen’s Mountain Pitviper in Kinabalu Park in our monthly data.