Aldabra rail
E461697
The Aldabra rail is a small, flightless bird endemic to the Aldabra Atoll in the Indian Ocean and is notable as the last surviving flightless bird species in the western Indian Ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Aldabra rail canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4627512 — 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: Aldabra rail Context triple: [Aldabra Atoll, hasSpecies, Aldabra rail]
-
A.
Aldabra drongo
The Aldabra drongo is a bird species of drongo endemic to the remote Aldabra Atoll in the Indian Ocean, known for its glossy black plumage and complex vocalizations.
-
B.
Lord Howe Island woodhen
The Lord Howe Island woodhen is a small, flightless rail native to Australia’s Lord Howe Island, known as a conservation success story after being brought back from the brink of extinction.
-
C.
Nicobar megapode
The Nicobar megapode is a rare, ground-dwelling mound-building bird endemic to India’s Nicobar Islands, known for incubating its eggs in large mounds of decaying vegetation and sand.
-
D.
Sumba buttonquail
The Sumba buttonquail is a small, ground-dwelling bird species of buttonquail found only on the Indonesian island of Sumba.
-
E.
Cape Barren geese
Cape Barren geese are large, pale grey Australian grazing birds known for their distinctive greenish-yellow beaks and preference for offshore islands and coastal grasslands.
- 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: Aldabra rail Target entity description: The Aldabra rail is a small, flightless bird endemic to the Aldabra Atoll in the Indian Ocean and is notable as the last surviving flightless bird species in the western Indian Ocean.
-
A.
Aldabra drongo
The Aldabra drongo is a bird species of drongo endemic to the remote Aldabra Atoll in the Indian Ocean, known for its glossy black plumage and complex vocalizations.
-
B.
Lord Howe Island woodhen
The Lord Howe Island woodhen is a small, flightless rail native to Australia’s Lord Howe Island, known as a conservation success story after being brought back from the brink of extinction.
-
C.
Nicobar megapode
The Nicobar megapode is a rare, ground-dwelling mound-building bird endemic to India’s Nicobar Islands, known for incubating its eggs in large mounds of decaying vegetation and sand.
-
D.
Sumba buttonquail
The Sumba buttonquail is a small, ground-dwelling bird species of buttonquail found only on the Indonesian island of Sumba.
-
E.
Cape Barren geese
Cape Barren geese are large, pale grey Australian grazing birds known for their distinctive greenish-yellow beaks and preference for offshore islands and coastal grasslands.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bird
ⓘ
endemic species ⓘ flightless bird ⓘ rail ⓘ |
| adaptation | loss of flight due to predator-free environment ⓘ |
| billColor | reddish bill ⓘ |
| class | Aves NERFINISHED ⓘ |
| clutchSize | 2–3 eggs ⓘ |
| commonName | Aldabra rail NERFINISHED ⓘ |
| conservationStatus | least concern ⓘ |
| diet |
invertebrates
ⓘ
plant material ⓘ seeds ⓘ small vertebrates ⓘ |
| endemicTo | Aldabra Atoll NERFINISHED ⓘ |
| evolvedFrom | flying white-throated rail populations ⓘ |
| eyeColor | red eye ⓘ |
| family | Rallidae NERFINISHED ⓘ |
| genus | Dryolimnas NERFINISHED ⓘ |
| hasCharacteristic |
flightless
ⓘ
reduced wings ⓘ short tail ⓘ small body size ⓘ terrestrial ⓘ |
| inhabits |
coastal grassland
ⓘ
mangrove habitat ⓘ scrub habitat ⓘ |
| kingdom | Animalia ⓘ |
| locatedIn |
Indian Ocean
ⓘ
Seychelles NERFINISHED ⓘ |
| managedBy | Seychelles Islands Foundation NERFINISHED ⓘ |
| notableFor | last surviving flightless bird in the western Indian Ocean ⓘ |
| occursOn |
Grande Terre (Aldabra)
NERFINISHED
ⓘ
Malabar Island (Aldabra) NERFINISHED ⓘ Picard Island (Aldabra) NERFINISHED ⓘ Polymnie Island (Aldabra) NERFINISHED ⓘ |
| order | Gruiformes NERFINISHED ⓘ |
| parentTaxon | Dryolimnas cuvieri NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| plumageColor |
brown upperparts
ⓘ
white underparts ⓘ |
| populationTrend | stable on Aldabra ⓘ |
| reproductiveBehavior | ground nester ⓘ |
| scientificName | Dryolimnas cuvieri aldabranus NERFINISHED ⓘ |
| species | Dryolimnas cuvieri NERFINISHED ⓘ |
| taxonRank | subspecies ⓘ |
| threat |
habitat degradation
ⓘ
introduced predators (potential) ⓘ |
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: Aldabra rail Description of subject: The Aldabra rail is a small, flightless bird endemic to the Aldabra Atoll in the Indian Ocean and is notable as the last surviving flightless bird species in the western Indian Ocean.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.