Atlantic white-sided dolphin
E79928
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Atlantic white-sided dolphin canonical | 2 |
| Lagenorhynchus acutus | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T636006 — 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: Atlantic white-sided dolphin Context triple: [Stellwagen Bank, habitatFor, Atlantic white-sided dolphin]
-
A.
Mediterranean monk seal
The Mediterranean monk seal is one of the world’s most endangered marine mammals, a rare earless seal native to the Mediterranean and adjacent seas.
-
B.
Steller sea lion
The Steller sea lion is a large, cold-water marine mammal of the North Pacific known for its massive size, thick neck, and loud, roaring vocalizations.
-
C.
North Atlantic right whale
The North Atlantic right whale is a critically endangered baleen whale species native to the North Atlantic Ocean, known for its slow speed, coastal distribution, and vulnerability to ship strikes and fishing gear entanglement.
-
D.
minke whale
The minke whale is one of the smallest and most common baleen whales, known for its streamlined body, pointed snout, and widespread distribution in oceans worldwide.
-
E.
West Indian manatee
The West Indian manatee is a large, slow-moving, herbivorous marine mammal native to the warm coastal waters and rivers of the Caribbean and southeastern North America, where it is considered a vulnerable species.
- 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: Atlantic white-sided dolphin Target entity description: 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.
-
A.
Mediterranean monk seal
The Mediterranean monk seal is one of the world’s most endangered marine mammals, a rare earless seal native to the Mediterranean and adjacent seas.
-
B.
Steller sea lion
The Steller sea lion is a large, cold-water marine mammal of the North Pacific known for its massive size, thick neck, and loud, roaring vocalizations.
-
C.
North Atlantic right whale
The North Atlantic right whale is a critically endangered baleen whale species native to the North Atlantic Ocean, known for its slow speed, coastal distribution, and vulnerability to ship strikes and fishing gear entanglement.
-
D.
minke whale
The minke whale is one of the smallest and most common baleen whales, known for its streamlined body, pointed snout, and widespread distribution in oceans worldwide.
-
E.
West Indian manatee
The West Indian manatee is a large, slow-moving, herbivorous marine mammal native to the warm coastal waters and rivers of the Caribbean and southeastern North America, where it is considered a vulnerable species.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
marine mammal
ⓘ
species of dolphin ⓘ |
| activityPattern | diurnal and nocturnal ⓘ |
| authority | (Gray, 1828) ⓘ |
| beak | short beak ⓘ |
| behavior |
acrobatic
ⓘ
often bow-rides vessels ⓘ |
| binomialName |
Atlantic white-sided dolphin
self-linksurface differs
ⓘ
surface form:
Lagenorhynchus acutus
|
| bodyLength | about 2.5 to 3.1 meters ⓘ |
| bodyMass | about 200 to 230 kilograms ⓘ |
| calvingInterval | about 2 to 3 years ⓘ |
| CITESListing | Appendix II ⓘ |
| class | Mammalia ⓘ |
| coloration |
black back
ⓘ
light gray flank patch ⓘ white underside ⓘ yellowish or pale tan flank patch ⓘ |
| commonName | Atlantic white-sided dolphin self-link ⓘ |
| conservationMeasure | protected under various national laws in range states ⓘ |
| diet |
crustaceans
ⓘ
fish ⓘ squid ⓘ |
| distinguishedBy | yellowish flank patch ⓘ |
| dorsalFin | tall falcate dorsal fin ⓘ |
| dorsalFinColor | dark with pale patch ⓘ |
| echolocation | yes ⓘ |
| family |
Odontoceti
ⓘ
surface form:
Delphinidae
|
| foragingStrategy | cooperative hunting ⓘ |
| genus | Lagenorhynchus ⓘ |
| geographicDistribution |
eastern North Atlantic
ⓘ
waters off Europe ⓘ waters off Greenland ⓘ waters off Iceland ⓘ waters off North America ⓘ waters off the British Isles ⓘ western North Atlantic ⓘ |
| gestationPeriod | about 10 to 12 months ⓘ |
| groupSize |
often forms groups of 10 to several hundred individuals
ⓘ
superpods of over 1000 individuals reported ⓘ |
| habitat |
cold temperate waters
ⓘ
continental shelf waters ⓘ offshore waters ⓘ |
| IUCNStatus | Least Concern ⓘ |
| IUCNStatusSystem |
IUCN Red List of Threatened Species
ⓘ
surface form:
IUCN Red List
|
| kingdom | Animalia ⓘ |
| lifespan | up to about 27 years or more in the wild ⓘ |
| migration | seasonal movements linked to prey distribution ⓘ |
| nativeTo |
Atlantic Ocean
ⓘ
surface form:
North Atlantic Ocean
|
| order | Cetacea ⓘ |
| phylum | Chordata ⓘ |
| reproduction | viviparous ⓘ |
| sexualDimorphism | males larger than females ⓘ |
| similarTo | white-beaked dolphin ⓘ |
| socialBehavior | highly social ⓘ |
| swimmingSpeed | fast swimmer ⓘ |
| taxonRank | species ⓘ |
| threat |
bycatch in fishing gear
ⓘ
historical hunting ⓘ noise disturbance ⓘ pollution ⓘ |
| vocalization | uses clicks and whistles for communication ⓘ |
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: Atlantic white-sided dolphin Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Atlantic white-sided dolphin
→
binomialName
→
Atlantic white-sided dolphin
self-linksurface differs
ⓘ
this entity surface form:
Lagenorhynchus acutus