Delphinapterus leucas
E1005703
Delphinapterus leucas is the beluga whale, a small, white, toothed Arctic and sub-Arctic cetacean known for its vocalizations and lack of a dorsal fin.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Delphinapterus leucas canonical | 1 |
| Delphinapterus leucas (Cook Inlet population) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12828291 — 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: Delphinapterus leucas Context triple: [Cook Inlet beluga whale, parentTaxon, Delphinapterus leucas]
-
A.
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.
-
B.
Zalophus
Zalophus is a genus of eared seals that includes the California sea lion and closely related sea lion species found along Pacific coasts.
-
C.
Eubalaena
Eubalaena is a genus of large baleen whales commonly known as right whales, found in temperate and subpolar oceans.
-
D.
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.
-
E.
Tursiops truncatus
Tursiops truncatus, commonly known as the common bottlenose dolphin, is a highly intelligent and social marine mammal found in warm and temperate seas 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: Delphinapterus leucas Target entity description: Delphinapterus leucas is the beluga whale, a small, white, toothed Arctic and sub-Arctic cetacean known for its vocalizations and lack of a dorsal fin.
-
A.
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.
-
B.
Zalophus
Zalophus is a genus of eared seals that includes the California sea lion and closely related sea lion species found along Pacific coasts.
-
C.
Eubalaena
Eubalaena is a genus of large baleen whales commonly known as right whales, found in temperate and subpolar oceans.
-
D.
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.
-
E.
Tursiops truncatus
Tursiops truncatus, commonly known as the common bottlenose dolphin, is a highly intelligent and social marine mammal found in warm and temperate seas worldwide.
- F. None of above. chosen
Statements (71)
| Predicate | Object |
|---|---|
| instanceOf |
beluga whale
ⓘ
cetacean ⓘ marine mammal ⓘ species ⓘ toothed whale ⓘ |
| adaptation |
seasonal migration with sea ice
ⓘ
thick blubber layer ⓘ |
| averageFemaleLength | 3.0–4.1 m ⓘ |
| averageFemaleMass | 700–1200 kg ⓘ |
| averageMaleLength | 4.0–5.5 m ⓘ |
| averageMaleMass | 1100–1600 kg ⓘ |
| bodyColor | white ⓘ |
| calvingInterval | about 3 years ⓘ |
| canEcholocate | true ⓘ |
| class | Mammalia ⓘ |
| commonName |
beluga
ⓘ
beluga whale ⓘ white whale ⓘ |
| culturalSignificance | important subsistence resource ⓘ |
| describedBy | Peter Simon Pallas NERFINISHED ⓘ |
| diet |
cephalopods
ⓘ
crustaceans ⓘ fish ⓘ |
| diveDepth | over 700 m ⓘ |
| diveDuration | up to about 25 minutes ⓘ |
| family | Monodontidae NERFINISHED ⓘ |
| foundIn |
Beaufort Sea
NERFINISHED
ⓘ
Bering Sea NERFINISHED ⓘ Chukchi Sea NERFINISHED ⓘ Cook Inlet NERFINISHED ⓘ Hudson Bay NERFINISHED ⓘ Okhotsk Sea NERFINISHED ⓘ St. Lawrence Estuary NERFINISHED ⓘ White Sea NERFINISHED ⓘ |
| genus | Delphinapterus NERFINISHED ⓘ |
| gestationPeriod | about 14–15 months ⓘ |
| groupName | pod ⓘ |
| habitat |
cold marine waters
ⓘ
sea ice edges ⓘ |
| hasDorsalFin | false ⓘ |
| hasDorsalRidge | true ⓘ |
| hasMelon | true ⓘ |
| hasTeeth | true ⓘ |
| IUCNRedListCategorySystem | IUCN 3.1 ⓘ |
| IUCNStatus | Least Concern ⓘ |
| juvenileColor | grey ⓘ |
| kingdom | Animalia ⓘ |
| knownFor | wide range of vocalizations ⓘ |
| maximumLifespan | about 60–70 years ⓘ |
| nativeTo |
Arctic Ocean
NERFINISHED
ⓘ
coastal waters ⓘ continental shelf areas ⓘ estuaries ⓘ sub-Arctic regions ⓘ |
| nickname | canary of the sea ⓘ |
| order | Cetacea ⓘ |
| phylum | Chordata ⓘ |
| reproduction | viviparous ⓘ |
| sexualMaturityAge | about 4–7 years ⓘ |
| snoutShape | bulbous forehead ⓘ |
| socialStructure | gregarious ⓘ |
| swimmingSpeed | up to about 22 km/h ⓘ |
| taxonRank | species ⓘ |
| threat |
climate change
ⓘ
noise disturbance ⓘ pollution ⓘ ship traffic ⓘ subsistence hunting ⓘ |
| toothCount | about 34–40 teeth ⓘ |
| usedBy | Indigenous Arctic peoples ⓘ |
| yearDescribed | 1776 ⓘ |
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: Delphinapterus leucas Description of subject: Delphinapterus leucas is the beluga whale, a small, white, toothed Arctic and sub-Arctic cetacean known for its vocalizations and lack of a dorsal fin.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Delphinapterus leucas (Cook Inlet population)