bridled tern
E1002340
The bridled tern is a medium-sized seabird in the tern family, recognized for its dark upperparts, white underparts, and distinctive white forehead and eye-stripe, and is commonly found nesting on tropical and subtropical islands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| bridled tern canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12783679 — 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: bridled tern Context triple: [Onychoprion, notableSpecies, bridled tern]
-
A.
black-bellied tern
The black-bellied tern is a medium-sized riverine tern of South Asia, now endangered due to habitat loss and declining river ecosystems.
-
B.
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.
-
C.
River Tern
The River Tern is a river in Shropshire, England, known as a tributary of the River Severn flowing through rural landscapes and historic market towns.
-
D.
Antarctic tern
The Antarctic tern is a small, migratory seabird of polar regions, known for its graceful flight, long-distance movements, and nesting on rocky Antarctic and sub-Antarctic coasts and islands.
-
E.
least tern
The least tern is a small migratory seabird of North and Central America, known for its slender build, sharp black-and-white head pattern, and nesting on open sandy or gravelly riverbanks and coastal beaches.
- 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: bridled tern Target entity description: The bridled tern is a medium-sized seabird in the tern family, recognized for its dark upperparts, white underparts, and distinctive white forehead and eye-stripe, and is commonly found nesting on tropical and subtropical islands.
-
A.
black-bellied tern
The black-bellied tern is a medium-sized riverine tern of South Asia, now endangered due to habitat loss and declining river ecosystems.
-
B.
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.
-
C.
River Tern
The River Tern is a river in Shropshire, England, known as a tributary of the River Severn flowing through rural landscapes and historic market towns.
-
D.
Antarctic tern
The Antarctic tern is a small, migratory seabird of polar regions, known for its graceful flight, long-distance movements, and nesting on rocky Antarctic and sub-Antarctic coasts and islands.
-
E.
least tern
The least tern is a small migratory seabird of North and Central America, known for its slender build, sharp black-and-white head pattern, and nesting on open sandy or gravelly riverbanks and coastal beaches.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
bird species
ⓘ
seabird ⓘ tern ⓘ |
| activityPattern | diurnal ⓘ |
| averageLength | about 30–32 cm ⓘ |
| averageWingspan | about 77–81 cm ⓘ |
| billColor | black bill ⓘ |
| binomialName |
Onychoprion anaethetus
ⓘ
linked to:
Onychoprion
|
| bodyColor |
dark brown upperparts
ⓘ
white underparts ⓘ |
| breedingBehavior | colonial nester ⓘ |
| breedingSeason | varies by region ⓘ |
| breedingSite |
subtropical islands
ⓘ
tropical islands ⓘ |
| class | Aves ⓘ |
| commonName | bridled tern ⓘ |
| describedBy | Carl Linnaeus ⓘ |
| diet |
marine invertebrates
ⓘ
small fish ⓘ squid ⓘ |
| distribution |
Atlantic Ocean
ⓘ
Indian Ocean ⓘ Pacific Ocean ⓘ |
| eggClutchSize | 1 egg ⓘ |
| family | Laridae ⓘ |
| foragingMethod |
plunge diving
ⓘ
surface dipping ⓘ |
| genus | Onychoprion ⓘ |
| habitat |
coral islands
ⓘ
offshore islands ⓘ rocky islets ⓘ subtropical oceans ⓘ tropical oceans ⓘ |
| hasSynonym | Sterna anaethetus ⓘ |
| headPattern |
dark crown
ⓘ
white eye-stripe ⓘ white forehead ⓘ |
| IUCNStatus | Least Concern ⓘ |
| kingdom | Animalia ⓘ |
| legColor | dark legs ⓘ |
| migration | partially migratory ⓘ |
| nestLocation |
in rock crevices
ⓘ
under vegetation ⓘ |
| nestType | ground nest ⓘ |
| order | Charadriiformes ⓘ |
| parentalCare | biparental care ⓘ |
| phylum | Chordata ⓘ |
| relatedTo | sooty tern ⓘ |
| reproduction | both parents incubate egg ⓘ |
| tailFeature | forked tail ⓘ |
| taxonRank | species ⓘ |
| vocalization | harsh calls ⓘ |
| yearDescribed | 1758 ⓘ |
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: bridled tern Description of subject: The bridled tern is a medium-sized seabird in the tern family, recognized for its dark upperparts, white underparts, and distinctive white forehead and eye-stripe, and is commonly found nesting on tropical and subtropical islands.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.