Skip to content
All range states
Range state·Southeast Asia

Indonesia (Sumatra)

Critically isolated herds on the brink of genetic collapse

Sumatra's elephants survive in forest fragments surrounded by palm oil and settlements. Genetic studies show some herds are just two generations from inbreeding depression — making wildlife corridors not optional, but urgent.

SubspeciesSumatran elephant (E. m. sumatranus)TrendDecliningWild~2,400

~2,400

Wild population

Estimated in range

341

Database records

From elephant.se

331

Living

248 named

51

Camps

Distinct facilities

2Sanctuaries
1Hotspots
120HEC / year

Curated

Sanctuary directory

Hand-verified listings tagged by experience type and welfare criteria.

Browse all

On the ground

Coexistence in action

Field programs reducing human-elephant conflict, mapped on our range map.

Range map

Community

2017

Human-Elephant Response Units

Trained local teams use noise deterrents and trained mahouts to gently redirect elephants away from plantations, replacing lethal control methods.

Impact

65% reduction in retaliatory killings in Way Kambas

Connectivity

Migration corridors

Where habitat must be linked to maintain genetic flow and wild range.

All corridors

Bukit Tigapuluh Wildlife Corridor

critical

The last forest bridge between two Sumatran elephant populations in Riau and Jambi provinces. Genetic isolation is already measurable.

2,400 ha secured30%

Resources

Field notes & stories

Editorial coverage relevant to Indonesia (Sumatra).

All resources

Data source

Individual elephant records are synced from elephant.se by Dan A. J. Koehl, used under Creative Commons Attribution 4.0. We reformatted the data for search and filtering; the original records remain authoritative.

Records synced weekly into MySQL on mahoot.xyz.