Samarinda Reed Snake

Samarinda Reed Snake

Calamaria hilleniusi

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Sepilok
6 Verified sightings at Sepilok From 2019 to 2026
17 Verified sightings across all 4 parks From 2019 to 2026
December Best month highest sighting rate
🌙 Nocturnal When it's spotted during nighttime hours (6pm–6am)

About the Samarinda Reed Snake

Calamaria hilleniusi is a species of snake in the subfamily Calamariinae of the family Colubridae. The species is native to Oceania and Southeast Asia. The specific name, hilleniusi, is in honor of Dutch herpetologist Dick Hillenius.

Calamaria hilleniusi is found in Brunei, Indonesia, and Malaysia. The preferred natural habitat of Calamaria hillenius is forest. Calamaria hilleniusi is terrestrial and semi-fossorial. Calamaria hilleniusi is oviparous.

Das, Indraneil (2006). A Photographic Guide to Snakes and other Reptiles of Borneo. Sanibel Island, Florida: Ralph Curtis Books. 144 pp. ISBN 0-88359-061-1. (Calamaria hilleniusi, p. 8). Inger, Robert F.; Marx, Hymen (1965). "The Systematics and Evolution of the Oriental Colubrid Snakes of the Genus Calamaria". Fieldiana: Zoology 49: 1-304. (Calamaria hilleniusi, new species, pp. 96–99, Figure 25).

Inger, Robert F.; Voris, Harold K. (2001). "The biogeographical relations of the frogs and snakes of Sundaland". Journal of Biogeography 28: 863–891. Stuebing, Robert B.; Inger, Robert F.; Lardner, Björn (2014)... Wikipedia →

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 Daily sighting probability
1 Kinabalu Park 🇲🇾 Malaysia
~10%
2 Sepilok 🇲🇾 Malaysia
~10%
3 Danum Valley Conservation Area 🇲🇾 Malaysia
Insufficient data
4 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
Insufficient data

Quick answers

What are the chances of seeing a Samarinda Reed Snake in Sepilok?

About 10% of wildlife watchers report a Samarinda Reed Snake sighting in Sepilok, based on 6 verified sightings from GBIF citizen-science data.

When is the best time to see Samarinda Reed Snake in Sepilok?

December has the highest sighting rate for Samarinda Reed Snake in Sepilok in our monthly data.

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