Hector’s dolphin
E601565
Hector’s dolphin is a small, endangered dolphin species endemic to New Zealand’s coastal waters, known for its rounded dorsal fin and limited distribution.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Hector’s dolphin canonical | 3 |
| Cephalorhynchus hectori | 1 |
| Cephalorhynchus hectori hectori | 1 |
| Hector's dolphin | 1 |
| Hector’s dolphins | 1 |
| Hector’s dolphins (offshore) | 1 |
| Māui dolphin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6594003 — 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: Hector’s dolphin Context triple: [Banks Peninsula, hasNotableSpecies, Hector’s dolphin]
-
A.
Commerson's dolphin
Commerson's dolphin is a small, strikingly black-and-white marine dolphin species known for its energetic behavior and coastal habitat in the Southern Hemisphere.
-
B.
Atlantic white-sided dolphin
The Atlantic white-sided dolphin is a small, agile marine mammal found in the cold temperate waters of the North Atlantic Ocean, known for its striking black, white, and yellowish coloration and highly social behavior.
-
C.
Delphinus
Delphinus is a small, distinctive constellation in the northern sky, often depicted as a dolphin and known for its compact, kite-shaped pattern of stars.
-
D.
Cuvier's beaked whale
Cuvier's beaked whale is a deep-diving, elusive cetacean species known for holding the record for the longest and deepest dives among marine mammals.
-
E.
Zalophus
Zalophus is a genus of eared seals that includes the California sea lion and closely related sea lion species found along Pacific coasts.
- 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: Hector’s dolphin Target entity description: Hector’s dolphin is a small, endangered dolphin species endemic to New Zealand’s coastal waters, known for its rounded dorsal fin and limited distribution.
-
A.
Commerson's dolphin
Commerson's dolphin is a small, strikingly black-and-white marine dolphin species known for its energetic behavior and coastal habitat in the Southern Hemisphere.
-
B.
Atlantic white-sided dolphin
The Atlantic white-sided dolphin is a small, agile marine mammal found in the cold temperate waters of the North Atlantic Ocean, known for its striking black, white, and yellowish coloration and highly social behavior.
-
C.
Delphinus
Delphinus is a small, distinctive constellation in the northern sky, often depicted as a dolphin and known for its compact, kite-shaped pattern of stars.
-
D.
Cuvier's beaked whale
Cuvier's beaked whale is a deep-diving, elusive cetacean species known for holding the record for the longest and deepest dives among marine mammals.
-
E.
Zalophus
Zalophus is a genus of eared seals that includes the California sea lion and closely related sea lion species found along Pacific coasts.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dolphin species
ⓘ
endangered species ⓘ marine mammal ⓘ |
| activityPattern | diurnal and crepuscular activity ⓘ |
| bodyShape | compact, robust body ⓘ |
| class | Mammalia ⓘ |
| colorationPattern | pale grey body with darker dorsal area and white underside ⓘ |
| commonName | Hector’s dolphin ⓘ |
| communication | uses echolocation clicks ⓘ |
| conservationStatus | Endangered ⓘ |
| diet |
small fish
ⓘ
squid ⓘ |
| distinguishingFeature |
distinctive black, white, and grey coloration
ⓘ
rounded dorsal fin ⓘ short, stocky body ⓘ |
| endemicTo | New Zealand coastal waters ⓘ |
| family | Delphinidae ⓘ |
| genus | Cephalorhynchus ⓘ |
| habitat |
bays and estuaries
ⓘ
shallow coastal waters ⓘ |
| hasSubspecies |
Māui dolphin
ⓘ
linked to:
Hector’s dolphin
|
| iucnRedListCategory | Endangered ⓘ |
| kingdom | Animalia ⓘ |
| lifespan | around 20 years in the wild ⓘ |
| managementConcern | high vulnerability due to small population size ⓘ |
| maximumLength | about 1.5 meters ⓘ |
| maximumWeight | about 50 kilograms ⓘ |
| movementPattern | coastal, nearshore distribution ⓘ |
| namedAfter |
James Hector
ⓘ
linked to:
Sir James Hector
|
| nativeTo | New Zealand ⓘ |
| order | Cetacea ⓘ |
| phylum | Chordata ⓘ |
| populationTrend | declining in many areas ⓘ |
| protectedArea | Banks Peninsula Marine Mammal Sanctuary ⓘ |
| protectedBy | New Zealand Marine Mammals Protection Act ⓘ |
| rangeRestriction | limited geographic range around New Zealand ⓘ |
| reproduction | gives birth to a single calf after a long gestation ⓘ |
| scientificName |
Cephalorhynchus hectori
ⓘ
linked to:
Hector’s dolphin
|
| snoutType | short, blunt snout ⓘ |
| socialBehavior | forms small groups ⓘ |
| suborder | Odontoceti ⓘ |
| subspecies |
Cephalorhynchus hectori hectori
ⓘ
linked to:
Hector’s dolphin
|
| taxonRank | species ⓘ |
| threat |
boat strikes
ⓘ
bycatch in gillnet fisheries ⓘ habitat degradation ⓘ pollution ⓘ |
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: Hector’s dolphin Description of subject: Hector’s dolphin is a small, endangered dolphin species endemic to New Zealand’s coastal waters, known for its rounded dorsal fin and limited distribution.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Banks Peninsula area
linked to: Hector’s dolphin
linked to: Hector’s dolphin
linked to: Hector’s dolphin
linked to: Hector’s dolphin
linked to: Hector’s dolphin
linked to: Hector’s dolphin