Eutropis rudis
Silhouette: PhyloPic
In 3 days ~50% in a week ~80%
Eutropis rudis, commonly known as the rough mabuya or brown mabuya, is a species of skink. It is found in the Maritime Southeast Asia: Indonesia (Borneo, Sumatra, Mentawai Islands, Java, and Sulawesi), Malaysia (Sabah and Sarawak), Philippine Islands, Sulu Islands, as well as on the Nicobar islands of India. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sepilok | 🇲🇾 Malaysia | |
| 2 | Tanjung Puting National Park | 🇮🇩 Indonesia | |
| 3 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 4 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 5 | Kinabalu Park | 🇲🇾 Malaysia | |
| 6 | Tangkoko Nature Reserve | 🇮🇩 Indonesia |
Possible
About 20% of wildlife watchers report a Rough Mabuya sighting in Tangkoko Nature Reserve on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 11th most-seen of the 12 reptiles we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
November
In that month about 40% of wildlife watchers report a Rough Mabuya in Tangkoko Nature Reserve on a given day, against under 5% in October and December–June, the lowest months.
Between 3 and 6 am
Across all the parks we cover, that three-hour window holds the most Rough Mabuya sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
6th of 6
Of the 6 parks where we can rate Rough Mabuya sightings, Tangkoko Nature Reserve ranks 6th at about 20%. The best odds are in Sepilok (Malaysia, about 40%), Tanjung Puting National Park (Indonesia, about 30%) and Danum Valley Conservation Area (Malaysia, about 30%).
GBIF citizen-science records
It is estimated from how often the Rough Mabuya is recorded against all the reptiles logged in Tangkoko Nature Reserve (6 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
