Sumatran orangutan
E513942
The Sumatran orangutan is a critically endangered great ape species native to the rainforests of Sumatra, known for its high intelligence, arboreal lifestyle, and distinctive reddish-brown fur.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sumatran orangutan canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T5350423 — 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: Sumatran orangutan Context triple: [Tropical Rainforest Heritage of Sumatra, containsHabitatFor, Sumatran orangutan]
-
A.
Tapanuli orangutan
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Sumatran rhinoceros
The Sumatran rhinoceros is a critically endangered, small and hairy rhino species native to Southeast Asian forests, known as the most threatened of all living rhinoceroses.
- 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: Sumatran orangutan Target entity description: The Sumatran orangutan is a critically endangered great ape species native to the rainforests of Sumatra, known for its high intelligence, arboreal lifestyle, and distinctive reddish-brown fur.
-
A.
Tapanuli orangutan
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Sumatran rhinoceros
The Sumatran rhinoceros is a critically endangered, small and hairy rhino species native to Southeast Asian forests, known as the most threatened of all living rhinoceroses.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
endangered species
ⓘ
great ape ⓘ |
| activityPattern | diurnal ⓘ |
| averageFemaleHeight | about 1.2 meters ⓘ |
| averageFemaleWeight | about 30–50 kilograms ⓘ |
| averageMaleHeight | about 1.4 meters ⓘ |
| averageMaleWeight | about 45–90 kilograms ⓘ |
| binomialName |
Pongo abelii
ⓘ
linked to:
Pongo
|
| class | Mammalia ⓘ |
| coatColor | reddish-brown ⓘ |
| commonName | Sumatran orangutan ⓘ |
| conservationStatus | Critically Endangered ⓘ |
| conservationStatusSystem |
IUCN Red List
ⓘ
linked to:
IUCN Red List of Threatened Species
|
| diet |
frugivorous
ⓘ
omnivorous ⓘ |
| family | Hominidae ⓘ |
| foundInProtectedArea | Gunung Leuser National Park ⓘ |
| genus | Pongo ⓘ |
| geographicRange |
northern Sumatra
ⓘ
linked to:
North Sumatra
|
| gestationPeriod | about 8.5 months ⓘ |
| habitat |
lowland rainforest
ⓘ
montane forest ⓘ tropical rainforest ⓘ |
| intelligence | high ⓘ |
| interbirthInterval | about 7–9 years ⓘ |
| kingdom | Animalia ⓘ |
| lifespanInCaptivity | over 50 years ⓘ |
| lifespanInWild | about 30–40 years ⓘ |
| lifestyle | arboreal ⓘ |
| locomotion |
quadrumanous climbing
ⓘ
suspensory brachiation ⓘ |
| maleCharacteristic |
cheek pads
ⓘ
large throat sac ⓘ |
| nativeTo |
Indonesia
ⓘ
Sumatra ⓘ |
| nestBuilding | builds night nests in trees ⓘ |
| order | Primates ⓘ |
| phylum | Chordata ⓘ |
| relatedTo |
Bornean orangutan
ⓘ
Tapanuli orangutan ⓘ |
| reproduction | viviparous ⓘ |
| sexualDimorphism | present ⓘ |
| socialStructure | semi-solitary ⓘ |
| taxonRank | species ⓘ |
| threat |
deforestation
ⓘ
habitat loss ⓘ illegal wildlife trade ⓘ palm oil plantations ⓘ poaching ⓘ |
| typicalFood |
bark
ⓘ
fruit ⓘ insects ⓘ leaves ⓘ |
| usesTools | true ⓘ |
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: Sumatran orangutan Description of subject: The Sumatran orangutan is a critically endangered great ape species native to the rainforests of Sumatra, known for its high intelligence, arboreal lifestyle, and distinctive reddish-brown fur.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.