Haematopus
E645990
Haematopus is a genus of wading birds commonly known as oystercatchers, characterized by their strong bills and coastal habitats worldwide.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Haematopus canonical | 3 |
| Haematopus chathamensis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7146575 — 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: Haematopus Context triple: [Chatham Island oystercatcher, parentTaxon, Haematopus]
-
A.
Phalaropus
Phalaropus is a small genus of specialized shorebirds known as phalaropes, which exhibit unusual reversed sexual dimorphism and often spin on the water to stir up food.
-
B.
Tadorna
Tadorna is a genus of large, colorful waterfowl commonly known as shelducks, found across Eurasia, Africa, and Australasia.
-
C.
Larus
Larus is a genus of medium to large gulls commonly found in coastal and inland waters across much of the world.
-
D.
Caspian tern
The Caspian tern is a large, powerful seabird and the world’s biggest tern species, known for its stout red bill and wide distribution across coastal and inland waters worldwide.
-
E.
Hydrurga
Hydrurga is a monotypic genus of large Antarctic seals best known for its sole species, the predatory leopard seal.
- 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: Haematopus Target entity description: Haematopus is a genus of wading birds commonly known as oystercatchers, characterized by their strong bills and coastal habitats worldwide.
-
A.
Phalaropus
Phalaropus is a small genus of specialized shorebirds known as phalaropes, which exhibit unusual reversed sexual dimorphism and often spin on the water to stir up food.
-
B.
Tadorna
Tadorna is a genus of large, colorful waterfowl commonly known as shelducks, found across Eurasia, Africa, and Australasia.
-
C.
Larus
Larus is a genus of medium to large gulls commonly found in coastal and inland waters across much of the world.
-
D.
Caspian tern
The Caspian tern is a large, powerful seabird and the world’s biggest tern species, known for its stout red bill and wide distribution across coastal and inland waters worldwide.
-
E.
Hydrurga
Hydrurga is a monotypic genus of large Antarctic seals best known for its sole species, the predatory leopard seal.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
taxon ⓘ |
| associatedEnvironment |
estuaries
ⓘ
marine coasts ⓘ rocky shores ⓘ sandy beaches ⓘ |
| billColor | typically bright orange or red ⓘ |
| bodySize | medium-sized shorebirds ⓘ |
| characteristic |
black and white plumage in many species
ⓘ
loud piping calls ⓘ strong bill ⓘ |
| class | Aves NERFINISHED ⓘ |
| commonName | oystercatchers ⓘ |
| conservationConcern | some species affected by habitat loss ⓘ |
| describedAs | genus of wading birds ⓘ |
| diet |
bivalve molluscs
ⓘ
crustaceans ⓘ marine invertebrates ⓘ worms ⓘ |
| distribution | worldwide coastal regions ⓘ |
| ecologicalRole | predators of intertidal invertebrates ⓘ |
| family | Haematopodidae NERFINISHED ⓘ |
| foragingBehavior |
probes sand and mud for prey
ⓘ
uses strong bill to open shells ⓘ |
| habitat |
coastal areas
ⓘ
intertidal zones ⓘ shorelines ⓘ |
| includesSpecies |
Haematopus bachmani
NERFINISHED
ⓘ
Haematopus finschi NERFINISHED ⓘ Haematopus leucopodus NERFINISHED ⓘ Haematopus longirostris NERFINISHED ⓘ Haematopus moquini NERFINISHED ⓘ Haematopus ostralegus NERFINISHED ⓘ Haematopus palliatus NERFINISHED ⓘ Haematopus unicolor NERFINISHED ⓘ |
| kingdom | Animalia ⓘ |
| legColor | often pink or reddish ⓘ |
| movementPattern | mostly resident or short-distance migrant depending on species ⓘ |
| order | Charadriiformes NERFINISHED ⓘ |
| parentTaxon | Haematopodidae NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| reproductiveBehavior | lays eggs in shallow scrape nests ⓘ |
| taxonRank | genus ⓘ |
| typicalBehavior |
forms territorial breeding pairs
ⓘ
often seen in small flocks outside breeding season ⓘ |
| typicalNestingSite | ground on open shorelines ⓘ |
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: Haematopus Description of subject: Haematopus is a genus of wading birds commonly known as oystercatchers, characterized by their strong bills and coastal habitats worldwide.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Haematopus chathamensis