Common Bronze-back

Common Bronze-back

Dendrelaphis pictus

Silhouette: Alex Slavenko · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~40% · Likely
at Gunung Leuser National Park

In 3 days ~80% in a week >90%

37 Verified sightings at Gunung Leuser National Park From 2019 to 2026
146 In all 5 parks
March Best month
☀️ Diurnal When it's spotted

About the Common Bronze-back

Dendrelaphis pictus, commonly known as either the common bronzeback, painted bronzeback, or Indonesian bronzeback, is a species of colubrid snake found in Southeast Asia. Dendrelaphis pictus belongs to the genus Dendrelaphis, which contains 48 other described species.

Dendrelaphis is one of five genera belonging to the vine snake subfamily Ahaetuliinae, of which Dendrelaphis is most closely related to Chrysopelea, as shown in the cladogram below: It is found throughout Southeast Asian forests in Malaysia, Indonesia, Brunei, China, Cambodia, Laos, Vietnam, Thailand, and Singapore. Populations from India, Bangladesh, and Myanmar are now considered to belong to the separate species Dendrelaphis proarchos.

The snake's colouration is olive or brown above with a yellow lateral stripe, bordered below by a dark line between the outer scales and the ventrals. A black stripe on each side of the head passes through the eye, widens or breaks up into spots, separated by bluish-green bands on the nape. The upper lip is yellow, and the lower surface yellowish or greenish. Length of head and body approximately 74 cm (29 in) and the tail... Wikipedia →

Sounds

Recording0:34

Indonesia · 2024

© M Nur Yahya · iNaturalist · CC BY-NC 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
~40%
2 Bako National Park 🇲🇾 Malaysia
~40%
3 Gunung Leuser National Park 🇮🇩 Indonesia
~40%
4 Kaeng Krachan National Park 🇹🇭 Thailand
~10%
5 Cat Tien National Park 🇻🇳 Vietnam
~10%

Cities Where Found

# City Country Daily sighting probability
1 Bandar Lampung 🇮🇩 Indonesia
~50%
2 Jakarta 🇮🇩 Indonesia
~40%
3 Denpasar 🇮🇩 Indonesia
~40%
4 Yogyakarta 🇮🇩 Indonesia
~40%
5 Kuching 🇲🇾 Malaysia
~30%
6 Semarang 🇮🇩 Indonesia
~30%
7 Kuala Lumpur 🇲🇾 Malaysia
~20%
8 Singapore 🇸🇬 Singapore
~20%
9 Ho Chi Minh City 🇻🇳 Vietnam
~10%
10 Bangkok 🇹🇭 Thailand
<5%

Before you go

What are the chances of seeing a Common Bronze-back in Gunung Leuser National Park?

Likely

About 40% of wildlife watchers report a Common Bronze-back sighting in Gunung Leuser National Park on a given day, based on 37 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 4th most-seen of the 47 reptiles we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.

When is the best time to see a Common Bronze-back in Gunung Leuser National Park?

March

In that month about 60% of wildlife watchers report a Common Bronze-back in Gunung Leuser National Park on a given day, against under 5% in January and August, the lowest months. That is one of Gunung Leuser National Park's driest months, with about 180 mm of rain against 700 mm in September.

What time of day is best to see a Common Bronze-back?

Between 2 and 5 pm

Across all the parks we cover, that three-hour window holds the most Common Bronze-back sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Gunung Leuser National Park the best place to see a Common Bronze-back?

Among the best

Of the 5 parks where we can rate Common Bronze-back sightings, Gunung Leuser National Park ranks 3rd at about 40%, level with the leaders once rounded. The best odds are in Kinabatangan Wildlife Sanctuary (Malaysia, about 40%) and Bako National Park (Malaysia, about 40%).

Where does the Common Bronze-back sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Common Bronze-back is recorded against all the reptiles logged in Gunung Leuser National Park (37 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.

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