Tapanuli orangutan
E361683
The Tapanuli orangutan is a critically endangered great ape species native to a small forest region in northern Sumatra, Indonesia, and is one of the rarest and most recently identified orangutan species.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tapanuli orangutan canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3475917 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tapanuli orangutan Context triple: [Bornean orangutan, relatedTo, Tapanuli orangutan]
-
A.
Bornean orangutan
The Bornean orangutan is a critically endangered great ape native to the rainforests of Borneo, known for its distinctive reddish-brown fur and highly intelligent, largely solitary arboreal lifestyle.
-
B.
Sumatran elephant
The Sumatran elephant is a critically endangered subspecies of Asian elephant native to the Indonesian island of Sumatra, known for its relatively small size and significant role in tropical forest ecosystems.
-
C.
Lion-tailed macaque
The lion-tailed macaque is an endangered, dark-furred Old World monkey distinguished by its silver-white mane and tufted tail, found only in the rainforests of India’s Western Ghats.
-
D.
L'Hoest's monkey
L'Hoest's monkey is a forest-dwelling Old World monkey native to the montane and lowland rainforests of Central Africa, known for its dark fur and distinctive white bib.
-
E.
Bornean pygmy elephant
The Bornean pygmy elephant is a small, forest-dwelling subspecies of Asian elephant native to Borneo, known for its relatively gentle temperament, long tail, and critically threatened status due to habitat loss and human conflict.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tapanuli orangutan Target entity description: The Tapanuli orangutan is a critically endangered great ape species native to a small forest region in northern Sumatra, Indonesia, and is one of the rarest and most recently identified orangutan species.
-
A.
Bornean orangutan
The Bornean orangutan is a critically endangered great ape native to the rainforests of Borneo, known for its distinctive reddish-brown fur and highly intelligent, largely solitary arboreal lifestyle.
-
B.
Sumatran elephant
The Sumatran elephant is a critically endangered subspecies of Asian elephant native to the Indonesian island of Sumatra, known for its relatively small size and significant role in tropical forest ecosystems.
-
C.
Lion-tailed macaque
The lion-tailed macaque is an endangered, dark-furred Old World monkey distinguished by its silver-white mane and tufted tail, found only in the rainforests of India’s Western Ghats.
-
D.
L'Hoest's monkey
L'Hoest's monkey is a forest-dwelling Old World monkey native to the montane and lowland rainforests of Central Africa, known for its dark fur and distinctive white bib.
-
E.
Bornean pygmy elephant
The Bornean pygmy elephant is a small, forest-dwelling subspecies of Asian elephant native to Borneo, known for its relatively gentle temperament, long tail, and critically threatened status due to habitat loss and human conflict.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
endangered species
ⓘ
great ape ⓘ mammal ⓘ orangutan ⓘ primate ⓘ |
| class | Mammalia ⓘ |
| closelyRelatedTo |
Bornean orangutan
ⓘ
Sumatran orangutan ⓘ |
| conservationStatus | Critically Endangered ⓘ |
| conservationStatusSystem |
IUCN Red List of Threatened Species
ⓘ
surface form:
IUCN Red List
|
| country | Indonesia ⓘ |
| describedAsNewSpeciesIn | 2017 ⓘ |
| describedBy | Nater et al. ⓘ |
| diet |
frugivorous
ⓘ
omnivorous ⓘ |
| distinguishedBy |
cranial morphology differences
ⓘ
genetic differences from other orangutans ⓘ smaller population size ⓘ |
| endemicTo |
Indonesia
ⓘ
Sumatra ⓘ |
| family | Hominidae ⓘ |
| foundIn |
Batang Toru forest
ⓘ
North Sumatra ⓘ
surface form:
northern Sumatra
|
| genus | Pongo ⓘ |
| geographicRangeSize | very restricted ⓘ |
| habitat |
montane forest
ⓘ
tropical rainforest ⓘ |
| kingdom | Animalia ⓘ |
| lifespan | several decades in the wild ⓘ |
| locomotion |
arboreal
ⓘ
quadrumanous climbing ⓘ |
| nativeTo |
Indonesia
ⓘ
Sumatra ⓘ |
| order | Primates ⓘ |
| phylum | Chordata ⓘ |
| populationStatus | one of the rarest great apes ⓘ |
| reproduction | gives birth to a single offspring ⓘ |
| scientificName |
Pongo
ⓘ
surface form:
Pongo tapanuliensis
|
| socialStructure | semi-solitary ⓘ |
| taxonRank | species ⓘ |
| threat |
deforestation
ⓘ
habitat loss ⓘ human–wildlife conflict ⓘ hunting ⓘ hydropower development ⓘ infrastructure development ⓘ |
| uses | tool use observed ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Tapanuli orangutan Description of subject: The Tapanuli orangutan is a critically endangered great ape species native to a small forest region in northern Sumatra, Indonesia, and is one of the rarest and most recently identified orangutan species.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.