Cat Ba langur
E629888
The Cat Ba langur is a critically endangered leaf-eating monkey endemic to Vietnam’s Cat Ba Island, known as one of the world’s rarest primate species.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cat Ba langur canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6926657 — 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: Cat Ba langur Context triple: [Cat Ba National Park, hasSpecies, Cat Ba langur]
-
A.
Malabar civet
The Malabar civet is a critically endangered, nocturnal small carnivore endemic to India and known for its elusive behavior and highly restricted range in the Western Ghats region.
-
B.
Javan langur
The Javan langur is an Old World monkey species endemic to the Indonesian island of Java, known for its arboreal lifestyle and distinctive dark or orange fur.
-
C.
Hanuman langur
The Hanuman langur is a widespread South Asian Old World monkey species known for its long tail, grayish fur, and cultural significance in Hindu mythology.
-
D.
Pallas's cat
Pallas's cat is a small wild feline native to the grasslands and montane steppes of Central Asia, notable for its stocky build, dense fur, and distinctive flattened face.
-
E.
fishing cat (Prionailurus viverrinus)
The fishing cat (Prionailurus viverrinus) is a medium-sized wild cat of South and Southeast Asia that is strongly associated with wetlands and is specially adapted to hunting fish and other aquatic prey.
- 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: Cat Ba langur Target entity description: The Cat Ba langur is a critically endangered leaf-eating monkey endemic to Vietnam’s Cat Ba Island, known as one of the world’s rarest primate species.
-
A.
Malabar civet
The Malabar civet is a critically endangered, nocturnal small carnivore endemic to India and known for its elusive behavior and highly restricted range in the Western Ghats region.
-
B.
Javan langur
The Javan langur is an Old World monkey species endemic to the Indonesian island of Java, known for its arboreal lifestyle and distinctive dark or orange fur.
-
C.
Hanuman langur
The Hanuman langur is a widespread South Asian Old World monkey species known for its long tail, grayish fur, and cultural significance in Hindu mythology.
-
D.
Pallas's cat
Pallas's cat is a small wild feline native to the grasslands and montane steppes of Central Asia, notable for its stocky build, dense fur, and distinctive flattened face.
-
E.
fishing cat (Prionailurus viverrinus)
The fishing cat (Prionailurus viverrinus) is a medium-sized wild cat of South and Southeast Asia that is strongly associated with wetlands and is specially adapted to hunting fish and other aquatic prey.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Old World monkey
ⓘ
critically endangered species ⓘ endemic species ⓘ leaf-eating monkey ⓘ primate ⓘ |
| activityPattern | diurnal ⓘ |
| bodyCovering | fur ⓘ |
| class | Mammalia ⓘ |
| commonName |
Cat Ba langur
ⓘ
Golden-headed langur ⓘ
linked to:
Delacour’s langur
|
| conservationAction |
anti-poaching patrols
ⓘ
community-based conservation programs ⓘ strict protection on Cat Ba Island ⓘ |
| conservationStatus | one of the world’s rarest primates ⓘ |
| country |
Vietnam
ⓘ
linked to:
Viet Nam
|
| diet |
fruits
ⓘ
leaves ⓘ young shoots ⓘ |
| endemicTo | Cat Ba Island ⓘ |
| family | Cercopithecidae ⓘ |
| foundInProtectedArea | Cat Ba National Park ⓘ |
| genus | Trachypithecus ⓘ |
| habitat |
limestone karst
ⓘ
tropical evergreen forest ⓘ |
| IUCNRedListCategory | CR ⓘ |
| IUCNStatus | Critically Endangered ⓘ |
| kingdom | Animalia ⓘ |
| locomotion |
arboreal
ⓘ
climbing on cliffs ⓘ |
| nativeRange |
Cat Ba Archipelago
ⓘ
linked to:
Cat Ba Island
|
| notableFeature |
dark body fur
ⓘ
golden or yellowish head and shoulders ⓘ |
| order | Primates ⓘ |
| parentTaxon |
Trachypithecus poliocephalus
ⓘ
linked to:
Trachypithecus
|
| phylum | Chordata ⓘ |
| populationTrend | decreasing ⓘ |
| primaryThreatFromHumans | poaching for traditional medicine ⓘ |
| recognizedAs | one of the most endangered primates in the world ⓘ |
| reproduction | single offspring per birth ⓘ |
| scientificName |
Trachypithecus poliocephalus poliocephalus
ⓘ
linked to:
Delacour’s langur
|
| socialStructure |
harem groups
ⓘ
small groups ⓘ |
| taxonRank | subspecies ⓘ |
| threat |
habitat loss
ⓘ
human disturbance ⓘ hunting ⓘ |
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: Cat Ba langur Description of subject: The Cat Ba langur is a critically endangered leaf-eating monkey endemic to Vietnam’s Cat Ba Island, known as one of the world’s rarest primate species.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.