Nomascus leucogenys
E670840
Nomascus leucogenys, commonly known as the northern white-cheeked gibbon, is a small arboreal ape native to Southeast Asia, recognized for its striking sexual dichromatism and loud, elaborate vocal duets.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nomascus | 1 |
| Nomascus leucogenys canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7524355 — 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: Nomascus leucogenys Context triple: [Hominoidea, hasMember, Nomascus leucogenys]
-
A.
Leipoa ocellata
Leipoa ocellata, commonly known as the malleefowl, is a ground-dwelling Australian bird famous for incubating its eggs in large mounds of decomposing vegetation.
-
B.
Acanthomyops
Acanthomyops is a genus of ants in the subfamily Formicinae, historically known for its subterranean, often fungus-associated species found primarily in temperate regions.
-
C.
Lagorchestes
Lagorchestes is a genus of small, fast-moving Australian marsupials commonly known as hare-wallabies, belonging to the kangaroo family.
-
D.
Pachyplichas
Pachyplichas is a genus of beetles in the family Curculionidae, known from New Zealand.
-
E.
Mecistops
Mecistops is a genus of slender-snouted African crocodiles known for their elongated, narrow snouts adapted for catching fish.
- 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: Nomascus leucogenys Target entity description: Nomascus leucogenys, commonly known as the northern white-cheeked gibbon, is a small arboreal ape native to Southeast Asia, recognized for its striking sexual dichromatism and loud, elaborate vocal duets.
-
A.
Leipoa ocellata
Leipoa ocellata, commonly known as the malleefowl, is a ground-dwelling Australian bird famous for incubating its eggs in large mounds of decomposing vegetation.
-
B.
Acanthomyops
Acanthomyops is a genus of ants in the subfamily Formicinae, historically known for its subterranean, often fungus-associated species found primarily in temperate regions.
-
C.
Lagorchestes
Lagorchestes is a genus of small, fast-moving Australian marsupials commonly known as hare-wallabies, belonging to the kangaroo family.
-
D.
Pachyplichas
Pachyplichas is a genus of beetles in the family Curculionidae, known from New Zealand.
-
E.
Mecistops
Mecistops is a genus of slender-snouted African crocodiles known for their elongated, narrow snouts adapted for catching fish.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
gibbon
ⓘ
primate ⓘ species ⓘ |
| activityPattern | diurnal ⓘ |
| averageLifespanInCaptivity | up to 40 years ⓘ |
| belongsTo | Hylobatidae NERFINISHED ⓘ |
| binomialName | Nomascus leucogenys NERFINISHED ⓘ |
| class | Mammalia ⓘ |
| commonName |
northern white-cheeked gibbon
ⓘ
white-cheeked gibbon ⓘ |
| conservationMeasure |
captive breeding programs
ⓘ
protected areas ⓘ |
| describedBy | Osgood NERFINISHED ⓘ |
| diet |
folivorous
ⓘ
frugivorous ⓘ omnivorous ⓘ |
| family | Hylobatidae NERFINISHED ⓘ |
| femaleColoration | buff or yellowish fur with darker crown ⓘ |
| genus | Nomascus NERFINISHED ⓘ |
| gestationPeriod | about 7 months ⓘ |
| habitat |
evergreen forest
ⓘ
subtropical forest ⓘ tropical rainforest ⓘ |
| hasSynonym | Hylobates leucogenys NERFINISHED ⓘ |
| IUCNStatus | Critically Endangered ⓘ |
| kingdom | Animalia ⓘ |
| lifestyle | arboreal ⓘ |
| locomotion | brachiation ⓘ |
| maleColoration | black fur with white cheek patches ⓘ |
| nativeRegion | Indochina NERFINISHED ⓘ |
| nativeTo |
China
NERFINISHED
ⓘ
Laos NERFINISHED ⓘ Southeast Asia ⓘ Vietnam NERFINISHED ⓘ |
| order | Primates ⓘ |
| pairBondingBehavior | vocal duets ⓘ |
| phylum | Chordata ⓘ |
| reproduction | viviparous ⓘ |
| sexualDichromatism | present ⓘ |
| sexualDimorphism | present ⓘ |
| socialStructure |
monogamous pairs
ⓘ
small family groups ⓘ |
| taxonRank | species ⓘ |
| threat |
habitat loss
ⓘ
hunting ⓘ illegal wildlife trade ⓘ |
| vocalization |
elaborate duets
ⓘ
loud ⓘ |
| yearDescribed | 1932 ⓘ |
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: Nomascus leucogenys Description of subject: Nomascus leucogenys, commonly known as the northern white-cheeked gibbon, is a small arboreal ape native to Southeast Asia, recognized for its striking sexual dichromatism and loud, elaborate vocal duets.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nomascus