Pacific white-sided dolphin
E760838
The Pacific white-sided dolphin is an energetic, highly social dolphin species native to the cool temperate waters of the North Pacific Ocean.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pacific white-sided dolphin canonical | 3 |
| lagenorhynchus dolphins | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8845451 — 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: Pacific white-sided dolphin Context triple: [Johnstone Strait, marineMammalSpeciesObserved, Pacific white-sided dolphin]
-
A.
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.
-
B.
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.
-
C.
Hector’s dolphin
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.
-
D.
Dall's porpoise
Dall's porpoise is a fast-swimming, black-and-white marine mammal found in cold North Pacific waters, known for its torpedo-shaped body and distinctive rooster-tail spray when surfacing.
-
E.
Blainville's beaked whale
Blainville's beaked whale is a medium-sized, deep-diving beaked whale species known for its distinctive long beak and widespread distribution in warm and temperate oceans worldwide.
- 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: Pacific white-sided dolphin Target entity description: The Pacific white-sided dolphin is an energetic, highly social dolphin species native to the cool temperate waters of the North Pacific Ocean.
-
A.
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.
-
B.
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.
-
C.
Hector’s dolphin
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.
-
D.
Dall's porpoise
Dall's porpoise is a fast-swimming, black-and-white marine mammal found in cold North Pacific waters, known for its torpedo-shaped body and distinctive rooster-tail spray when surfacing.
-
E.
Blainville's beaked whale
Blainville's beaked whale is a medium-sized, deep-diving beaked whale species known for its distinctive long beak and widespread distribution in warm and temperate oceans worldwide.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
dolphin
ⓘ
marine mammal ⓘ |
| averageLengthAdult | 2.3 m ⓘ |
| averageMassAdult | 150 kg ⓘ |
| behavior |
acrobatic
ⓘ
bow-riding ⓘ energetic ⓘ |
| binomialName |
Lagenorhynchus obliquidens
ⓘ
linked to:
Lagenorhynchus
|
| bodyColoration |
dark gray back
ⓘ
light gray sides ⓘ white underside ⓘ |
| class | Mammalia ⓘ |
| commonName |
Pacific white-sided dolphin
ⓘ
hookfin porpoise ⓘ
linked to:
Phocoena spinipinnis
|
| communication |
clicks
ⓘ
whistles ⓘ |
| conservationListing |
CITES Appendix II
ⓘ
linked to:
CITES Appendices
Marine Mammal Protection Act (United States) ⓘ
linked to:
Marine Mammal Protection Act of 1972
|
| describedBy |
Theodore Nicholas Gill
ⓘ
linked to:
Theodore Gill
|
| diet |
cephalopods
ⓘ
fish ⓘ squid ⓘ |
| distinctiveFeature |
curved dorsal fin
ⓘ
dark dorsal cape ⓘ white patches on sides ⓘ |
| distribution |
Bering Sea
ⓘ
California Current ⓘ Okhotsk Sea ⓘ
linked to:
Sea of Okhotsk
Sea of Japan ⓘ eastern North Pacific ⓘ western North Pacific ⓘ |
| family | Delphinidae ⓘ |
| foragingStrategy | group hunting ⓘ |
| genus | Lagenorhynchus ⓘ |
| gestationPeriod | about 10 to 12 months ⓘ |
| groupSize |
superpods of over 1000 individuals
ⓘ
tens to hundreds of individuals ⓘ |
| IUCNStatus | Least Concern ⓘ |
| kingdom | Animalia ⓘ |
| lifespanWild | up to 40 years ⓘ |
| maximumLengthAdult | 2.7 m ⓘ |
| nativeTo |
North Pacific Ocean
ⓘ
linked to:
Northern Pacific Ocean
cool temperate waters ⓘ |
| order | Cetacea ⓘ |
| phylum | Chordata ⓘ |
| reproduction | gives birth to a single calf ⓘ |
| socialBehavior |
gregarious
ⓘ
highly social ⓘ |
| taxonRank | species ⓘ |
| threat |
bycatch in fisheries
ⓘ
pollution ⓘ prey depletion ⓘ |
| uses | ecotourism ⓘ |
| yearDescribed | 1865 ⓘ |
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: Pacific white-sided dolphin Description of subject: The Pacific white-sided dolphin is an energetic, highly social dolphin species native to the cool temperate waters of the North Pacific Ocean.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pacific white-sided dolphin