Laysan duck
E783120
The Laysan duck is a small, critically endangered dabbling duck native to the Hawaiian Islands, known for its restricted range, nocturnal foraging, and conservation-dependent survival.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Laysan duck canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9161884 — 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: Laysan duck Context triple: [Laysan Island, hasEndemicSpecies, Laysan duck]
-
A.
Hawaiian goose
The Hawaiian goose, or nēnē, is a rare, medium-sized goose endemic to Hawaii and recognized as the state bird, known for its distinctive barred neck and adaptation to volcanic landscapes.
-
B.
Laysan albatross
The Laysan albatross is a large, long-lived seabird of the North Pacific Ocean, known for its impressive wingspan, extensive oceanic migrations, and dense breeding colonies on remote islands such as those in the Hawaiian archipelago.
-
C.
Aleutian cackling goose
The Aleutian cackling goose is a small, migratory North American goose species once endangered but now recovered, known for its distinctive white neck ring and breeding on the Aleutian Islands.
-
D.
Makira moorhen
The Makira moorhen is a rare, possibly extinct rail species endemic to the island of Makira in the Solomon Islands, known only from a few historical records and local reports.
-
E.
Lord Howe Island woodhen
The Lord Howe Island woodhen is a small, flightless rail native to Australia’s Lord Howe Island, known as a conservation success story after being brought back from the brink of extinction.
- 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: Laysan duck Target entity description: The Laysan duck is a small, critically endangered dabbling duck native to the Hawaiian Islands, known for its restricted range, nocturnal foraging, and conservation-dependent survival.
-
A.
Hawaiian goose
The Hawaiian goose, or nēnē, is a rare, medium-sized goose endemic to Hawaii and recognized as the state bird, known for its distinctive barred neck and adaptation to volcanic landscapes.
-
B.
Laysan albatross
The Laysan albatross is a large, long-lived seabird of the North Pacific Ocean, known for its impressive wingspan, extensive oceanic migrations, and dense breeding colonies on remote islands such as those in the Hawaiian archipelago.
-
C.
Aleutian cackling goose
The Aleutian cackling goose is a small, migratory North American goose species once endangered but now recovered, known for its distinctive white neck ring and breeding on the Aleutian Islands.
-
D.
Makira moorhen
The Makira moorhen is a rare, possibly extinct rail species endemic to the island of Makira in the Solomon Islands, known only from a few historical records and local reports.
-
E.
Lord Howe Island woodhen
The Lord Howe Island woodhen is a small, flightless rail native to Australia’s Lord Howe Island, known as a conservation success story after being brought back from the brink of extinction.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bird
ⓘ
duck ⓘ endangered species ⓘ |
| binomialName | Anas laysanensis NERFINISHED ⓘ |
| bodySize | small ⓘ |
| breedingSystem | monogamous ⓘ |
| class | Aves ⓘ |
| clutchSizeRange | 3–6 eggs ⓘ |
| commonName |
Laysan duck
NERFINISHED
ⓘ
Laysan teal NERFINISHED ⓘ |
| conservationDependent | true ⓘ |
| conservationStatus | Critically Endangered ⓘ |
| currentRangeIncludes |
Kure Atoll
NERFINISHED
ⓘ
Laysan Island NERFINISHED ⓘ Midway Atoll NERFINISHED ⓘ |
| dietIncludes |
aquatic plants
ⓘ
insects ⓘ invertebrates ⓘ seeds ⓘ |
| endemicTo | Hawaiian Islands NERFINISHED ⓘ |
| eyeRingColor | white ⓘ |
| family | Anatidae NERFINISHED ⓘ |
| femalePlumageColor | mottled brown ⓘ |
| flightAbility | reluctant flier ⓘ |
| foragingBehavior |
dabbling
ⓘ
nocturnal ⓘ |
| genus | Anas NERFINISHED ⓘ |
| hasIUCNRedListCategory | CR ⓘ |
| historicalRangeIncludes |
Laysan Island
NERFINISHED
ⓘ
main Hawaiian Islands NERFINISHED ⓘ |
| iucnRedListAuthority | International Union for Conservation of Nature NERFINISHED ⓘ |
| kingdom | Animalia ⓘ |
| malePlumageColor | darker brown ⓘ |
| managedBy | U.S. Fish and Wildlife Service NERFINISHED ⓘ |
| nativeTo | Hawaiian Islands NERFINISHED ⓘ |
| nestSite | ground vegetation ⓘ |
| occursInProtectedArea | Papahānaumokuākea Marine National Monument NERFINISHED ⓘ |
| order | Anseriformes NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| reproductionDependency | conservation management ⓘ |
| sexualDimorphism | present ⓘ |
| subjectOf |
captive breeding programs
ⓘ
translocation efforts ⓘ |
| taxonRank | species ⓘ |
| threatenedBy |
disease
ⓘ
habitat loss ⓘ introduced predators ⓘ sea level rise ⓘ |
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: Laysan duck Description of subject: The Laysan duck is a small, critically endangered dabbling duck native to the Hawaiian Islands, known for its restricted range, nocturnal foraging, and conservation-dependent survival.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.