northern fur seal
E477720
The northern fur seal is a marine mammal of the eared seal family known for its thick fur, long migrations across the North Pacific, and large breeding colonies on remote islands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| northern fur seal canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4889724 — 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: northern fur seal Context triple: [Commander Islands, fauna, northern fur seal]
-
A.
New Zealand fur seal
The New Zealand fur seal is a marine mammal native to New Zealand and southern Australia, known for its thick fur, agile swimming, and colonies along rugged coastal and subantarctic shores.
-
B.
Antarctic fur seal
The Antarctic fur seal is a marine mammal of the Southern Ocean known for its dense fur, large breeding colonies, and recovery from historic overhunting.
-
C.
Guadalupe fur seals
Guadalupe fur seals are a rare, medium-sized eared seal species native to the northeastern Pacific Ocean, known for their dense fur and recovery from near-extinction due to historic overhunting.
-
D.
Cape fur seal
The Cape fur seal is a large, social marine mammal native to the coasts of southern Africa and Namibia, known for forming dense breeding colonies on rocky shores and beaches.
-
E.
northern elephant seal
The northern elephant seal is a massive marine mammal of the eastern Pacific known for its extreme sexual dimorphism, deep-diving ability, and large breeding colonies on coastal islands and beaches.
- 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: northern fur seal Target entity description: The northern fur seal is a marine mammal of the eared seal family known for its thick fur, long migrations across the North Pacific, and large breeding colonies on remote islands.
-
A.
New Zealand fur seal
The New Zealand fur seal is a marine mammal native to New Zealand and southern Australia, known for its thick fur, agile swimming, and colonies along rugged coastal and subantarctic shores.
-
B.
Antarctic fur seal
The Antarctic fur seal is a marine mammal of the Southern Ocean known for its dense fur, large breeding colonies, and recovery from historic overhunting.
-
C.
Guadalupe fur seals
Guadalupe fur seals are a rare, medium-sized eared seal species native to the northeastern Pacific Ocean, known for their dense fur and recovery from near-extinction due to historic overhunting.
-
D.
Cape fur seal
The Cape fur seal is a large, social marine mammal native to the coasts of southern Africa and Namibia, known for forming dense breeding colonies on rocky shores and beaches.
-
E.
northern elephant seal
The northern elephant seal is a massive marine mammal of the eastern Pacific known for its extreme sexual dimorphism, deep-diving ability, and large breeding colonies on coastal islands and beaches.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
eared seal
ⓘ
fur seal ⓘ marine mammal ⓘ pinniped ⓘ |
| behavior |
forms large breeding colonies
ⓘ
highly pelagic outside breeding season ⓘ |
| binomialAuthority | Linnaeus, 1758 ⓘ |
| breedingSeason | summer ⓘ |
| breedingSite |
Bogoslof Island
NERFINISHED
ⓘ
Commander Islands NERFINISHED ⓘ Pribilof Islands NERFINISHED ⓘ Robben Island (Russia) NERFINISHED ⓘ San Miguel Island NERFINISHED ⓘ |
| class | Mammalia ⓘ |
| commonName | northern fur seal NERFINISHED ⓘ |
| conservationAction | international protection under the North Pacific Fur Seal Convention (historical and successors) ⓘ |
| diet |
fish
ⓘ
krill ⓘ squid ⓘ |
| distribution |
Bering Sea
NERFINISHED
ⓘ
North Pacific Ocean NERFINISHED ⓘ Sea of Okhotsk NERFINISHED ⓘ |
| family | Otariidae NERFINISHED ⓘ |
| femaleBodyLength | about 1.3 m to 1.5 m ⓘ |
| femaleBodyMass | about 30 kg to 50 kg ⓘ |
| genus | Callorhinus NERFINISHED ⓘ |
| gestationPeriod | about 1 year including delayed implantation ⓘ |
| habitat |
open ocean
ⓘ
rocky breeding rookeries ⓘ subarctic waters ⓘ |
| hasFur |
dense guard hairs
ⓘ
thick underfur ⓘ |
| IUCNStatus | Vulnerable ⓘ |
| kingdom | Animalia ⓘ |
| lifespanInWild | about 20 to 25 years ⓘ |
| litterSize | usually one pup ⓘ |
| locomotion |
quadrupedal movement on land
ⓘ
swimming with foreflippers ⓘ |
| maleBodyLength | up to about 2.1 m ⓘ |
| maleBodyMass | up to about 270 kg ⓘ |
| migrationBehavior | long-distance pelagic migrations ⓘ |
| order | Carnivora ⓘ |
| parentTaxon |
Callorhinus
ⓘ
Otariidae NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| reproduction | polygynous breeding system ⓘ |
| scientificName | Callorhinus ursinus NERFINISHED ⓘ |
| sensoryAbility |
good hearing in air and water
ⓘ
good underwater vision ⓘ |
| sexualDimorphism | strong ⓘ |
| suborder | Caniformia NERFINISHED ⓘ |
| superfamily | Pinnipedia NERFINISHED ⓘ |
| taxonRank | species ⓘ |
| threat |
climate change
ⓘ
entanglement in fishing gear ⓘ historical commercial hunting ⓘ overfishing of prey species ⓘ |
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: northern fur seal Description of subject: The northern fur seal is a marine mammal of the eared seal family known for its thick fur, long migrations across the North Pacific, and large breeding colonies on remote islands.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.