crescent nail-tail wallaby
E606421
The crescent nail-tail wallaby (Onychogalea lunata) was a small, nocturnal Australian marsupial, now believed extinct, distinguished by a pale crescent-shaped marking on its shoulders and a horny “nail” at the tip of its tail.
All labels observed (1)
| Label | Occurrences |
|---|---|
| crescent nail-tail wallaby canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6634314 — 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: crescent nail-tail wallaby Context triple: [Onychogalea lunata, commonName, crescent nail-tail wallaby]
-
A.
northern nail-tail wallaby
The northern nail-tail wallaby is a small, nocturnal Australian marsupial known for the distinctive horny “nail” at the tip of its tail and its adaptation to tropical savanna habitats.
-
B.
Bennett’s wallaby
Bennett’s wallaby is a medium-sized marsupial native to Tasmania and parts of mainland Australia, known for its reddish-brown fur and adaptability to cool, forested and heathland environments.
-
C.
brush-tailed rock-wallaby
The brush-tailed rock-wallaby is a medium-sized Australian marsupial known for its long, bushy tail and agility on steep rocky terrain.
-
D.
Tammar wallabies
Tammar wallabies are small, nocturnal marsupials native to southern and western Australia, known for their agile hopping, social behavior, and importance in coastal and island ecosystems.
-
E.
swamp wallaby
The swamp wallaby is a small, dark-furred macropod native to eastern Australia, typically inhabiting dense forests, woodlands, and swampy areas.
- 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: crescent nail-tail wallaby Target entity description: The crescent nail-tail wallaby (Onychogalea lunata) was a small, nocturnal Australian marsupial, now believed extinct, distinguished by a pale crescent-shaped marking on its shoulders and a horny “nail” at the tip of its tail.
-
A.
northern nail-tail wallaby
The northern nail-tail wallaby is a small, nocturnal Australian marsupial known for the distinctive horny “nail” at the tip of its tail and its adaptation to tropical savanna habitats.
-
B.
Bennett’s wallaby
Bennett’s wallaby is a medium-sized marsupial native to Tasmania and parts of mainland Australia, known for its reddish-brown fur and adaptability to cool, forested and heathland environments.
-
C.
brush-tailed rock-wallaby
The brush-tailed rock-wallaby is a medium-sized Australian marsupial known for its long, bushy tail and agility on steep rocky terrain.
-
D.
Tammar wallabies
Tammar wallabies are small, nocturnal marsupials native to southern and western Australia, known for their agile hopping, social behavior, and importance in coastal and island ecosystems.
-
E.
swamp wallaby
The swamp wallaby is a small, dark-furred macropod native to eastern Australia, typically inhabiting dense forests, woodlands, and swampy areas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
extinct species
ⓘ
mammal ⓘ marsupial ⓘ wallaby ⓘ |
| activityPattern | nocturnal ⓘ |
| belongsToSubfamily | Macropodinae NERFINISHED ⓘ |
| binomialName | Onychogalea lunata NERFINISHED ⓘ |
| bodySize | small ⓘ |
| class | Mammalia ⓘ |
| commonName |
crescent nail-tail wallaby
ⓘ
crescent nailtail wallaby ⓘ lunated nail-tailed wallaby NERFINISHED ⓘ |
| conservationStatusSystem | IUCN Red List NERFINISHED ⓘ |
| diet |
forbs
ⓘ
grasses ⓘ herbivorous ⓘ shrubs ⓘ |
| distinguishingFeature |
horny nail at tip of tail
ⓘ
pale crescent-shaped marking on shoulders ⓘ |
| endemicTo | Australia NERFINISHED ⓘ |
| extinctionStatus | believed extinct ⓘ |
| family | Macropodidae NERFINISHED ⓘ |
| firstDescribedBy | John Gould NERFINISHED ⓘ |
| firstDescriptionYear | 1841 ⓘ |
| genus | Onychogalea NERFINISHED ⓘ |
| geographicContinent | Australia NERFINISHED ⓘ |
| historicalRange |
New South Wales
NERFINISHED
ⓘ
South Australia NERFINISHED ⓘ central Australia ⓘ southwestern Western Australia ⓘ |
| IUCNStatus | Extinct ⓘ |
| kingdom | Animalia ⓘ |
| likelyExtinctionCauses |
changes in fire regimes
ⓘ
habitat loss ⓘ introduced predators ⓘ |
| locomotion | saltatory ⓘ |
| nativeTo | Australia ⓘ |
| order | Diprotodontia NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| relatedTo |
bridled nail-tail wallaby
NERFINISHED
ⓘ
northern nail-tail wallaby NERFINISHED ⓘ |
| reproduction |
marsupial reproduction
ⓘ
pouched young ⓘ |
| scientificName | Onychogalea lunata NERFINISHED ⓘ |
| shoulderMarking | pale crescent-shaped band ⓘ |
| tailFeature | nail-like horny spur at tail tip ⓘ |
| taxonRank | species ⓘ |
| temporalActivity | night-active ⓘ |
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: crescent nail-tail wallaby Description of subject: The crescent nail-tail wallaby (Onychogalea lunata) was a small, nocturnal Australian marsupial, now believed extinct, distinguished by a pale crescent-shaped marking on its shoulders and a horny “nail” at the tip of its tail.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Onychogalea lunata