Sea Otters
E440136
Sea otters are marine mammals known for their dense fur, playful behavior, and habit of using rocks as tools to open shellfish while floating on their backs in coastal waters of the North Pacific.
All labels observed (2)
| Label | Occurrences |
|---|---|
| southern sea otter | 2 |
| Sea Otters canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4434264 — 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: Sea Otters Context triple: [Monterey Bay Aquarium, hasExhibit, Sea Otters]
-
A.
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.
-
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.
California sea lion
The California sea lion is a highly social and intelligent marine mammal native to the Pacific coast of North America, known for its agility, loud barking, and frequent presence on coastal beaches and docks.
-
D.
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.
-
E.
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.
- 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: Sea Otters Target entity description: Sea otters are marine mammals known for their dense fur, playful behavior, and habit of using rocks as tools to open shellfish while floating on their backs in coastal waters of the North Pacific.
-
A.
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.
-
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.
California sea lion
The California sea lion is a highly social and intelligent marine mammal native to the Pacific coast of North America, known for its agility, loud barking, and frequent presence on coastal beaches and docks.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
marine mammal
ⓘ
species of mammal ⓘ |
| activityPattern | mostly diurnal ⓘ |
| averageAdultLength | 1–1.5 meters ⓘ |
| averageAdultMass | 14–45 kilograms ⓘ |
| behavior |
floats on back while feeding
ⓘ
playful social interactions ⓘ |
| class | Mammalia ⓘ |
| commonName |
northern sea otter
ⓘ
sea otter ⓘ |
| conservationAction |
legal protection under Marine Mammal Protection Act (US)
ⓘ
listed under Endangered Species Act (southern sea otter, US) ⓘ |
| diet |
clams
ⓘ
crabs ⓘ fish ⓘ mussels ⓘ sea urchins ⓘ snails ⓘ |
| effectOnEcosystem | controls sea urchin populations ⓘ |
| family | Mustelidae ⓘ |
| furDensity | up to 1,000,000 hairs per square inch ⓘ |
| genus | Enhydra ⓘ |
| habitat |
kelp forest ecosystems
ⓘ
nearshore coastal waters ⓘ rocky shorelines ⓘ |
| hasFur | extremely dense underfur ⓘ |
| insulationMethod | fur rather than blubber ⓘ |
| IUCNStatus | Endangered ⓘ |
| kingdom | Animalia ⓘ |
| lifespanInCaptivity | up to about 20 years ⓘ |
| lifespanInWild | 10–15 years ⓘ |
| nativeTo |
British Columbia
ⓘ
California coast ⓘ Japan (historically) ⓘ
linked to:
Japan
North Pacific Ocean ⓘ
linked to:
Pacific Ocean
Russia Far East ⓘ Washington State ⓘ
linked to:
Washington State, United States
coastal Alaska ⓘ |
| order | Carnivora ⓘ |
| phylum | Chordata ⓘ |
| reproduction | gives birth to single pup ⓘ |
| restingBehavior | wraps in kelp to anchor while resting ⓘ |
| roleInEcosystem | keystone species in kelp forests ⓘ |
| scientificName |
Enhydra lutris
ⓘ
linked to:
Enhydra
|
| socialStructure | forms groups called rafts ⓘ |
| taxonRank | species ⓘ |
| threat |
disease
ⓘ
entanglement in fishing gear ⓘ historical fur trade hunting ⓘ oil spills ⓘ predation by orcas ⓘ |
| usesTool | rocks to open shellfish ⓘ |
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: Sea Otters Description of subject: Sea otters are marine mammals known for their dense fur, playful behavior, and habit of using rocks as tools to open shellfish while floating on their backs in coastal waters of the North Pacific.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sea Otters
linked to: Sea Otters