Henderson crake
E949942
The Henderson crake is a small, flightless rail species found only on remote Henderson Island in the South Pacific.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Henderson crake canonical | 2 |
| Laysan crake | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11816741 — 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: Henderson crake Context triple: [Henderson Island, endemicSpecies, Henderson crake]
-
A.
River Crake
The River Crake is a short river in the Lake District of Cumbria, England, flowing from Coniston Water southward to join the River Leven near Morecambe Bay.
-
B.
Makira moorhen
The Makira moorhen is a rare, possibly extinct rail species endemic to the island of Makira in the Solomon Islands, known only from a few historical records and local reports.
-
C.
Tachybaptus ruficollis
Tachybaptus ruficollis, commonly known as the little grebe or dabchick, is a small aquatic diving bird widespread across Europe, Asia, and Africa.
-
D.
Henderson reed warbler
The Henderson reed warbler is a small, insect-eating songbird found only on remote Henderson Island in the South Pacific, where it inhabits dense scrub and forest.
-
E.
Hamerkop
The Hamerkop is a medium-sized African wading bird known for its hammer-shaped head and large, elaborate nest structures.
- 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: Henderson crake Target entity description: The Henderson crake is a small, flightless rail species found only on remote Henderson Island in the South Pacific.
-
A.
River Crake
The River Crake is a short river in the Lake District of Cumbria, England, flowing from Coniston Water southward to join the River Leven near Morecambe Bay.
-
B.
Makira moorhen
The Makira moorhen is a rare, possibly extinct rail species endemic to the island of Makira in the Solomon Islands, known only from a few historical records and local reports.
-
C.
Tachybaptus ruficollis
Tachybaptus ruficollis, commonly known as the little grebe or dabchick, is a small aquatic diving bird widespread across Europe, Asia, and Africa.
-
D.
Henderson reed warbler
The Henderson reed warbler is a small, insect-eating songbird found only on remote Henderson Island in the South Pacific, where it inhabits dense scrub and forest.
-
E.
Hamerkop
The Hamerkop is a medium-sized African wading bird known for its hammer-shaped head and large, elaborate nest structures.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
bird
ⓘ
flightless bird ⓘ rail ⓘ |
| activityPattern | diurnal ⓘ |
| authority | (Peale, 1849) ⓘ |
| binomialName |
Zapornia atra
ⓘ
linked to:
Zapornia
|
| bodyLength | approximately 15–20 cm ⓘ |
| bodyMass | approximately 50–100 g ⓘ |
| breedingSystem | monogamous ⓘ |
| class | Aves ⓘ |
| clutchSize | 2–3 eggs ⓘ |
| commonName |
Henderson Island crake
ⓘ
Henderson crake ⓘ |
| conservationStatus | Near Threatened ⓘ |
| conservationStatusSystem |
IUCN Red List
ⓘ
linked to:
IUCN Red List of Threatened Species
|
| diet |
fruit
ⓘ
invertebrates ⓘ seeds ⓘ |
| ecosystemRole |
invertebrate predator
ⓘ
seed disperser ⓘ |
| endemicTo | Henderson Island ⓘ |
| family | Rallidae ⓘ |
| genus | Zapornia ⓘ |
| habitat |
forest floor
ⓘ
limestone karst terrain ⓘ scrub vegetation ⓘ |
| hasCharacteristic |
flightless
ⓘ
small body size ⓘ terrestrial ⓘ |
| islandTypeOfRange | oceanic uplifted coral island ⓘ |
| kingdom | Animalia ⓘ |
| locatedIn |
Pitcairn Islands group
ⓘ
linked to:
Pitcairn Islands
South Pacific Ocean ⓘ |
| order | Gruiformes ⓘ |
| phylum | Chordata ⓘ |
| plumageColor |
grey underparts
ⓘ
mostly dark brown ⓘ |
| populationTrend | stable ⓘ |
| range | restricted to Henderson Island ⓘ |
| reproduction | ground nester ⓘ |
| scientificName |
Zapornia atra
ⓘ
linked to:
Zapornia
|
| socialBehavior |
family groups
ⓘ
territorial ⓘ |
| taxonRank | species ⓘ |
| threat |
habitat disturbance
ⓘ
introduced predators (potential) ⓘ |
| vocalization | loud calls used for territory defense ⓘ |
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: Henderson crake Description of subject: The Henderson crake is a small, flightless rail species found only on remote Henderson Island in the South Pacific.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.