Coelognathus flavolineatus
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~40% in a week ~70%
Coelognathus flavolineatus, the black copper rat snake or yellow striped snake, is a species of colubrid snake found in Southeast Asia. This species was previously recognized in the genus Elaphe. Brunei Darussalam Cambodia
India (Andaman Is.) Indonesia (Jawa, Kalimantan, Sumatera, Bali) Malaysia Myanmar Singapore Thailand Vietnam Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Gunung Leuser National Park | 🇮🇩 Indonesia | |
| 2 | Kinabalu Park | 🇲🇾 Malaysia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Yogyakarta | 🇮🇩 Indonesia | |
| 2 | Denpasar | 🇮🇩 Indonesia | |
| 3 | Jakarta | 🇮🇩 Indonesia | |
| 4 | Bandung | 🇮🇩 Indonesia | |
| 5 | Kuala Lumpur | 🇲🇾 Malaysia |
Possible
About 20% of wildlife watchers report a Black Copper Rat Snake sighting in Gunung Leuser National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 30th most-seen of the 47 reptiles we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
June and August
In those months about 30% of wildlife watchers report a Black Copper Rat Snake in Gunung Leuser National Park on a given day, against under 5% in May, July and October–January, the lowest months.
Between 4 and 7 am
Across all the parks we cover, that three-hour window holds the most Black Copper Rat Snake sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Yes
Of the 2 parks where we can rate Black Copper Rat Snake sightings, Gunung Leuser National Park has the highest daily chance: about 20%. Next come Kinabalu Park (Malaysia, about 10%).
Same family: Colubridae
The closest relatives of the Black Copper Rat Snake that you can see in Gunung Leuser National Park (family Colubridae, Colubrid Snakes) are Common Bronze-back (about 40%), Western Mangrove Cat Snake (about 20%) and Gray Bronzeback (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black Copper Rat Snake is recorded against all the reptiles logged in Gunung Leuser National Park (7 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.
