Symphalangus syndactylus
E670841
Symphalangus syndactylus, commonly known as the siamang, is the largest species of gibbon, notable for its loud, resonant calls and partially webbed toes, found in the forests of Sumatra and the Malay Peninsula.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Symphalangus | 1 |
| Symphalangus syndactylus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7524356 — 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: Symphalangus syndactylus Context triple: [Hominoidea, hasMember, Symphalangus syndactylus]
-
A.
Plagiorhegma
Plagiorhegma is a small genus of flowering plants known for its early spring-blooming, ornamental species native to East Asia.
-
B.
Sprengelkiez
Sprengelkiez is a residential neighborhood in Berlin’s Wedding district known for its canalside location, historic buildings, and vibrant local community.
-
C.
Giants Thumb
Giants Thumb is a notable landmark near Penrith in Cumbria, England, commonly recognized as an ancient standing stone or historic marker.
-
D.
Onychogalea
Onychogalea is a genus of small Australian marsupials known as nail-tail wallabies, distinguished by the horny spur at the tip of their tails.
-
E.
Schievelbein
Schievelbein is a historic town in Pomerania, now known as Świdwin in northwestern Poland.
- 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: Symphalangus syndactylus Target entity description: Symphalangus syndactylus, commonly known as the siamang, is the largest species of gibbon, notable for its loud, resonant calls and partially webbed toes, found in the forests of Sumatra and the Malay Peninsula.
-
A.
Plagiorhegma
Plagiorhegma is a small genus of flowering plants known for its early spring-blooming, ornamental species native to East Asia.
-
B.
Sprengelkiez
Sprengelkiez is a residential neighborhood in Berlin’s Wedding district known for its canalside location, historic buildings, and vibrant local community.
-
C.
Giants Thumb
Giants Thumb is a notable landmark near Penrith in Cumbria, England, commonly recognized as an ancient standing stone or historic marker.
-
D.
Onychogalea
Onychogalea is a genus of small Australian marsupials known as nail-tail wallabies, distinguished by the horny spur at the tip of their tails.
-
E.
Schievelbein
Schievelbein is a historic town in Pomerania, now known as Świdwin in northwestern Poland.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
gibbon
ⓘ
species of primate ⓘ |
| activityPattern | diurnal ⓘ |
| bodyLength | approximately 75 to 90 cm ⓘ |
| class | Mammalia ⓘ |
| commonName |
Siamang gibbon
ⓘ
siamang ⓘ |
| conservationConcern | population declining ⓘ |
| describedBy | Raffles NERFINISHED ⓘ |
| diet |
folivorous
ⓘ
frugivorous ⓘ omnivorous ⓘ |
| eats |
flowers
ⓘ
fruit ⓘ insects ⓘ leaves ⓘ |
| family | Hylobatidae NERFINISHED ⓘ |
| foundIn |
Indonesia
NERFINISHED
ⓘ
Malaysia NERFINISHED ⓘ |
| furColor | black ⓘ |
| genus | Symphalangus NERFINISHED ⓘ |
| gestationPeriod | about 7 to 8 months ⓘ |
| habitat |
montane forest
ⓘ
tropical rainforest ⓘ |
| IUCNStatus | Endangered ⓘ |
| kingdom | Animalia ⓘ |
| lifespanInCaptivity | over 30 years ⓘ |
| lifestyle | arboreal ⓘ |
| locomotion | brachiation ⓘ |
| nativeTo |
Malay Peninsula
NERFINISHED
ⓘ
Sumatra NERFINISHED ⓘ |
| notableFeature |
large inflatable throat sac
ⓘ
loud resonant calls ⓘ partially webbed toes ⓘ syndactylous second and third toes ⓘ |
| order | Primates ⓘ |
| phylum | Chordata ⓘ |
| reproduction | single offspring per birth ⓘ |
| sexualDimorphism | minimal ⓘ |
| socialStructure |
monogamous pairs
ⓘ
small family groups ⓘ |
| taxonRank | species ⓘ |
| threat |
deforestation
ⓘ
habitat loss ⓘ illegal pet trade ⓘ |
| vocalization | duet songs ⓘ |
| weight | approximately 10 to 14 kg ⓘ |
| yearDescribed | 1821 ⓘ |
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: Symphalangus syndactylus Description of subject: Symphalangus syndactylus, commonly known as the siamang, is the largest species of gibbon, notable for its loud, resonant calls and partially webbed toes, found in the forests of Sumatra and the Malay Peninsula.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Symphalangus