Eschrichtius robustus
E645760
Eschrichtius robustus is the gray whale, a large baleen whale species known for its long coastal migrations and bottom-feeding behavior in the North Pacific.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eschrichtius robustus canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T7157194 — 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: Eschrichtius robustus Context triple: [gray whales (migratory), partOfTaxon, Eschrichtius robustus]
-
A.
Paranthropus boisei
Paranthropus boisei is an extinct robust hominin species from eastern Africa, notable for its massive jaws, large molars, and adaptations for heavy chewing.
-
B.
Paranthropus robustus
Paranthropus robustus is an extinct robust australopithecine hominin species from southern Africa, characterized by a heavy jaw, large teeth, and adaptations for powerful chewing.
-
C.
Paranthropus aethiopicus
Paranthropus aethiopicus is an extinct robust australopithecine species of early hominin known from East Africa, notable for its massive jaws and teeth adapted for heavy chewing.
-
D.
Australopithecus africanus
Australopithecus africanus is an early hominin species from southern Africa, dating to about 3–2 million years ago, that exhibits a mix of ape-like and human-like traits and is important for understanding human evolution.
-
E.
Australopithecus afarensis
Australopithecus afarensis is an early bipedal hominin species from eastern Africa, best known from the famous "Lucy" fossil and considered a key ancestor in human evolution.
- 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: Eschrichtius robustus Target entity description: Eschrichtius robustus is the gray whale, a large baleen whale species known for its long coastal migrations and bottom-feeding behavior in the North Pacific.
-
A.
Paranthropus boisei
Paranthropus boisei is an extinct robust hominin species from eastern Africa, notable for its massive jaws, large molars, and adaptations for heavy chewing.
-
B.
Paranthropus robustus
Paranthropus robustus is an extinct robust australopithecine hominin species from southern Africa, characterized by a heavy jaw, large teeth, and adaptations for powerful chewing.
-
C.
Paranthropus aethiopicus
Paranthropus aethiopicus is an extinct robust australopithecine species of early hominin known from East Africa, notable for its massive jaws and teeth adapted for heavy chewing.
-
D.
Australopithecus africanus
Australopithecus africanus is an early hominin species from southern Africa, dating to about 3–2 million years ago, that exhibits a mix of ape-like and human-like traits and is important for understanding human evolution.
-
E.
Australopithecus afarensis
Australopithecus afarensis is an early bipedal hominin species from eastern Africa, best known from the famous "Lucy" fossil and considered a key ancestor in human evolution.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
baleen whale
ⓘ
species ⓘ |
| averageAdultLength | 12–15 meters ⓘ |
| averageAdultMass | 25–40 metric tons ⓘ |
| bodyColor | mottled gray ⓘ |
| breedingArea |
Baja California lagoons
ⓘ
Gulf of California ⓘ |
| calvingInterval | about 2 years ⓘ |
| CITESListing | Appendix I ⓘ |
| class | Mammalia ⓘ |
| commonName |
Pacific gray whale
ⓘ
linked to:
gray whales (migratory)
gray whale ⓘ grey whale ⓘ |
| conservationStatus | Least Concern ⓘ |
| conservationStatusSystem |
IUCN Red List
ⓘ
linked to:
IUCN Red List of Threatened Species
|
| describedBy | Lilljeborg ⓘ |
| diet |
amphipods
ⓘ
benthic invertebrates ⓘ |
| family | Eschrichtiidae ⓘ |
| feedingArea |
Bering Sea
ⓘ
Chukchi Sea ⓘ |
| feedingBehavior | bottom-feeding ⓘ |
| feedingType | filter feeding ⓘ |
| gestationPeriod | about 13 months ⓘ |
| hasAnatomicalFeature |
baleen plates
ⓘ
dorsal knuckles ⓘ lack of dorsal fin ⓘ |
| historicalThreat | commercial whaling ⓘ |
| infraorder | Cetacea Mysticeti ⓘ |
| kingdom | Animalia ⓘ |
| migrationBehavior | long-distance coastal migrations ⓘ |
| migrationRoute | along North American Pacific coast ⓘ |
| nativeTo |
North Pacific Ocean
ⓘ
linked to:
Northern Pacific Ocean
eastern North Pacific ⓘ western North Pacific ⓘ |
| order | Cetacea ⓘ |
| parentTaxon | Eschrichtius ⓘ |
| phylum | Chordata ⓘ |
| population |
eastern North Pacific population
ⓘ
western North Pacific population ⓘ |
| protectedBy |
International Whaling Commission moratorium
ⓘ
linked to:
international whaling moratorium
|
| scientificName | Eschrichtius robustus ⓘ |
| taxonRank | species ⓘ |
| threat |
entanglement in fishing gear
ⓘ
habitat degradation ⓘ ship strikes ⓘ |
| typicalLifespan | 50–70 years ⓘ |
| yearDescribed | 1861 ⓘ |
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: Eschrichtius robustus Description of subject: Eschrichtius robustus is the gray whale, a large baleen whale species known for its long coastal migrations and bottom-feeding behavior in the North Pacific.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.