American black-footed ferret
E529590
The American black-footed ferret is a small, nocturnal, carnivorous mustelid native to North American grasslands, known for its reliance on prairie dogs for both food and burrows and for being one of the continent’s most endangered mammals.
All labels observed (2)
| Label | Occurrences |
|---|---|
| American black-footed ferret canonical | 1 |
| black-footed ferret (Mustela nigripes) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5516236 — 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: American black-footed ferret Context triple: [North American mammals, includesSpecies, American black-footed ferret]
-
A.
San Joaquin kit fox
The San Joaquin kit fox is a small, nocturnal fox native to California’s arid Central Valley and surrounding foothills, known for its large ears, slender build, and status as an endangered subspecies of the kit fox.
-
B.
Vulpes macrotis
Vulpes macrotis is a small North American fox species, commonly known as the kit fox, adapted to arid and semi-arid desert and grassland habitats.
-
C.
American pika
The American pika is a small, cold-adapted mammal of rocky alpine and subalpine habitats in western North America, known for its high-pitched calls and for storing vegetation in “haypiles” to survive the winter.
-
D.
Indian wolf
The Indian wolf is a subspecies of gray wolf native to the Indian subcontinent, adapted to arid and semi-arid grasslands and scrublands and known for living in smaller packs than many other wolf populations.
-
E.
Patagonian gray fox
The Patagonian gray fox is a small, adaptable South American canid native to the Patagonian region, known for its grayish coat and omnivorous, opportunistic feeding habits.
- 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: American black-footed ferret Target entity description: The American black-footed ferret is a small, nocturnal, carnivorous mustelid native to North American grasslands, known for its reliance on prairie dogs for both food and burrows and for being one of the continent’s most endangered mammals.
-
A.
San Joaquin kit fox
The San Joaquin kit fox is a small, nocturnal fox native to California’s arid Central Valley and surrounding foothills, known for its large ears, slender build, and status as an endangered subspecies of the kit fox.
-
B.
Vulpes macrotis
Vulpes macrotis is a small North American fox species, commonly known as the kit fox, adapted to arid and semi-arid desert and grassland habitats.
-
C.
American pika
The American pika is a small, cold-adapted mammal of rocky alpine and subalpine habitats in western North America, known for its high-pitched calls and for storing vegetation in “haypiles” to survive the winter.
-
D.
Indian wolf
The Indian wolf is a subspecies of gray wolf native to the Indian subcontinent, adapted to arid and semi-arid grasslands and scrublands and known for living in smaller packs than many other wolf populations.
-
E.
Patagonian gray fox
The Patagonian gray fox is a small, adaptable South American canid native to the Patagonian region, known for its grayish coat and omnivorous, opportunistic feeding habits.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
carnivore
ⓘ
endangered species ⓘ mammal ⓘ mustelid ⓘ nocturnal animal ⓘ |
| activityPattern | nocturnal ⓘ |
| averageLitterSize | 3–4 kits ⓘ |
| averageWeight | about 0.7–1.1 kg ⓘ |
| behavior |
nocturnal hunter
ⓘ
solitary ⓘ |
| binomialName | Mustela nigripes NERFINISHED ⓘ |
| bodyLength | about 38–50 cm ⓘ |
| class | Mammalia ⓘ |
| commonName | black-footed ferret ⓘ |
| conservationStatus | Endangered ⓘ |
| conservationStatusSystem | IUCN Red List NERFINISHED ⓘ |
| considered | one of the most endangered mammals in North America ⓘ |
| diet | carnivorous ⓘ |
| distinctiveMarking |
black facial mask
ⓘ
black feet ⓘ black-tipped tail ⓘ |
| ecologicalRole | specialist predator of prairie dogs ⓘ |
| family | Mustelidae NERFINISHED ⓘ |
| furColor | pale yellowish-buff ⓘ |
| genus | Mustela NERFINISHED ⓘ |
| historicalRange |
Canada
NERFINISHED
ⓘ
Great Plains NERFINISHED ⓘ Mexico NERFINISHED ⓘ United States NERFINISHED ⓘ |
| kingdom | Animalia ⓘ |
| majorDisease |
canine distemper
ⓘ
sylvatic plague ⓘ |
| nativeHabitat |
grasslands
ⓘ
prairies ⓘ |
| nativeTo | North America ⓘ |
| order | Carnivora ⓘ |
| phylum | Chordata ⓘ |
| primaryPrey | prairie dogs ⓘ |
| reintroductionProgram | captive breeding and release in North America ⓘ |
| reproduction | sexual reproduction ⓘ |
| reproductiveStrategy | seasonal breeder ⓘ |
| sexualDimorphism | males larger than females ⓘ |
| shelterSource | prairie dog burrows ⓘ |
| tailLength | about 11–15 cm ⓘ |
| taxonRank | species ⓘ |
| threat |
disease
ⓘ
habitat loss ⓘ prairie dog eradication ⓘ |
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: American black-footed ferret Description of subject: The American black-footed ferret is a small, nocturnal, carnivorous mustelid native to North American grasslands, known for its reliance on prairie dogs for both food and burrows and for being one of the continent’s most endangered mammals.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
black-footed ferret (Mustela nigripes)