Antarctic tern
E457638
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Antarctic tern canonical | 7 |
| Sterna balaenarum | 1 |
| Sterna dougallii | 1 |
| Sterna forsteri | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4630290 — 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: Antarctic tern Context triple: [Half Moon Island, hasWildlife, Antarctic tern]
-
A.
Tristan albatross
The Tristan albatross is a large, endangered seabird of the Southern Ocean, closely related to the wandering albatross and known for its long wingspan and remote island nesting sites.
-
B.
Arctic tern
The Arctic tern is a small migratory seabird renowned for having one of the longest migration routes of any animal, traveling annually between Arctic breeding grounds and Antarctic waters.
-
C.
Audouin's gull
Audouin's gull is a rare Mediterranean seabird species known for its pale plumage, dark bill, and conservation-dependent breeding colonies along coastal and island habitats.
-
D.
Atlantic petrel
The Atlantic petrel is a medium-sized, nocturnal seabird of the Southern Ocean known for its long-distance oceanic flights and highly restricted breeding range centered on remote islands like Gough Island.
-
E.
New Zealand fairy tern
The New Zealand fairy tern is a critically endangered, small coastal seabird endemic to New Zealand, known as the country’s rarest breeding bird.
- 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: Antarctic tern Target entity description: 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.
-
A.
Tristan albatross
The Tristan albatross is a large, endangered seabird of the Southern Ocean, closely related to the wandering albatross and known for its long wingspan and remote island nesting sites.
-
B.
Arctic tern
The Arctic tern is a small migratory seabird renowned for having one of the longest migration routes of any animal, traveling annually between Arctic breeding grounds and Antarctic waters.
-
C.
Audouin's gull
Audouin's gull is a rare Mediterranean seabird species known for its pale plumage, dark bill, and conservation-dependent breeding colonies along coastal and island habitats.
-
D.
Atlantic petrel
The Atlantic petrel is a medium-sized, nocturnal seabird of the Southern Ocean known for its long-distance oceanic flights and highly restricted breeding range centered on remote islands like Gough Island.
-
E.
New Zealand fairy tern
The New Zealand fairy tern is a critically endangered, small coastal seabird endemic to New Zealand, known as the country’s rarest breeding bird.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
animal
ⓘ
bird ⓘ seabird ⓘ tern ⓘ |
| billColor | red ⓘ |
| binomialName |
Sterna vittata
ⓘ
linked to:
Sterna
|
| bodyLength | approximately 30–38 cm ⓘ |
| bodyMass | approximately 90–140 g ⓘ |
| breedingPlumageFeature | black cap on head ⓘ |
| breedingRange |
Antarctic Peninsula region
ⓘ
sub-Antarctic islands of the South Atlantic ⓘ sub-Antarctic islands of the South Pacific ⓘ sub-Antarctic islands of the southern Indian Ocean ⓘ |
| class | Aves ⓘ |
| clutchSize | 1–2 eggs ⓘ |
| commonName | Antarctic tern ⓘ |
| diet |
marine invertebrates
ⓘ
small fish ⓘ |
| distribution |
Antarctic region
ⓘ
sub-Antarctic islands ⓘ |
| eggColor | speckled ⓘ |
| family | Laridae ⓘ |
| flightStyle | graceful ⓘ |
| foragingStrategy |
plunge-diving
ⓘ
surface-dipping ⓘ |
| genus | Sterna ⓘ |
| habitat |
marine coastal waters
ⓘ
offshore islands ⓘ rocky coasts ⓘ |
| incubationBehavior | both parents incubate eggs ⓘ |
| IUCNStatus | Least Concern ⓘ |
| kingdom | Animalia ⓘ |
| legColor | red ⓘ |
| lifespan | over 10 years in the wild ⓘ |
| migratory | true ⓘ |
| nestingSite |
cliffs
ⓘ
gravel beaches ⓘ rocky shores ⓘ |
| order | Charadriiformes ⓘ |
| parentalCare | both parents feed chicks ⓘ |
| phylum | Chordata ⓘ |
| plumage | grey and white ⓘ |
| socialBehavior | colonial nester ⓘ |
| tailFeature | deeply forked tail ⓘ |
| taxonRank | species ⓘ |
| threat |
climate change impacts on sea ice and prey
ⓘ
human disturbance at colonies ⓘ introduced predators at breeding sites ⓘ |
| wingspan | approximately 70–80 cm ⓘ |
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: Antarctic tern Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Bird Island
linked to: Antarctic tern
linked to: Antarctic tern
linked to: Antarctic tern