Eastern meadowlark
E633964
The Eastern meadowlark is a medium-sized North American songbird known for its bright yellow underparts with a black "V" on the chest and its clear, whistled song delivered from open grasslands and fields.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eastern meadowlark canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6960965 — 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: Eastern meadowlark Context triple: [Western meadowlark, similarTo, Eastern meadowlark]
-
A.
Western meadowlark
The Western meadowlark is a medium-sized North American songbird known for its bright yellow breast with a black "V" and its rich, flute-like song across grasslands and prairies.
-
B.
Lark bunting
The lark bunting is a medium-sized North American sparrow known for the male’s striking black-and-white breeding plumage and melodious song, commonly found in the grasslands of the central United States.
-
C.
Cassin’s Sparrow
Cassin’s Sparrow is a small, streaky brown songbird of arid grasslands in the southwestern United States and northern Mexico, noted for its skylarking display flights and subtle plumage.
-
D.
Cassin’s Finch
Cassin’s Finch is a small North American songbird in the finch family, noted for the adult male’s rosy-red plumage and melodious warbling song.
-
E.
Mountain bluebird
The Mountain bluebird is a small, bright sky-blue thrush native to western North America, often found in open habitats such as meadows and prairies.
- 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: Eastern meadowlark Target entity description: The Eastern meadowlark is a medium-sized North American songbird known for its bright yellow underparts with a black "V" on the chest and its clear, whistled song delivered from open grasslands and fields.
-
A.
Western meadowlark
The Western meadowlark is a medium-sized North American songbird known for its bright yellow breast with a black "V" and its rich, flute-like song across grasslands and prairies.
-
B.
Lark bunting
The lark bunting is a medium-sized North American sparrow known for the male’s striking black-and-white breeding plumage and melodious song, commonly found in the grasslands of the central United States.
-
C.
Cassin’s Sparrow
Cassin’s Sparrow is a small, streaky brown songbird of arid grasslands in the southwestern United States and northern Mexico, noted for its skylarking display flights and subtle plumage.
-
D.
Cassin’s Finch
Cassin’s Finch is a small North American songbird in the finch family, noted for the adult male’s rosy-red plumage and melodious warbling song.
-
E.
Mountain bluebird
The Mountain bluebird is a small, bright sky-blue thrush native to western North America, often found in open habitats such as meadows and prairies.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
bird
ⓘ
passerine ⓘ |
| averageLength | about 19–28 cm ⓘ |
| averageMass | about 90–150 g ⓘ |
| averageWingspan | about 35–40 cm ⓘ |
| binomialName | Sturnella magna NERFINISHED ⓘ |
| bodySize | medium-sized ⓘ |
| breedingSystem | polygynous ⓘ |
| class | Aves ⓘ |
| clutchSize | 3–5 eggs ⓘ |
| describedBy | Linnaeus NERFINISHED ⓘ |
| diet |
grains
ⓘ
insects ⓘ seeds ⓘ |
| distinguishedBy | song differences from Western meadowlark ⓘ |
| eggColor | white with brown spots ⓘ |
| family | Icteridae NERFINISHED ⓘ |
| foragingBehavior | ground forager ⓘ |
| foragingHabitat | open fields ⓘ |
| genus | Sturnella ⓘ |
| habitat |
agricultural fields
ⓘ
grasslands ⓘ hayfields ⓘ pastures ⓘ prairies ⓘ |
| IUCNStatus | Least Concern ⓘ |
| kingdom | Animalia ⓘ |
| malePlumage | brighter than female ⓘ |
| migrationPattern | partially migratory ⓘ |
| nativeTo |
North America
ⓘ
eastern United States NERFINISHED ⓘ parts of Canada ⓘ parts of Mexico ⓘ |
| nestPlacement | concealed in grass ⓘ |
| nestType | ground nest ⓘ |
| order | Passeriformes ⓘ |
| phylum | Chordata ⓘ |
| plumageColor | bright yellow underparts ⓘ |
| plumageMarking | black V on chest ⓘ |
| sexualDimorphism | present ⓘ |
| similarTo | Western meadowlark NERFINISHED ⓘ |
| songType | clear whistled song ⓘ |
| taxonRank | species ⓘ |
| threats |
habitat loss
ⓘ
intensive agriculture ⓘ |
| typicalPerch |
fence posts
ⓘ
shrubs ⓘ |
| upperpartsColor | streaked brown ⓘ |
| vocalizationBehavior | sings from exposed perches ⓘ |
| yearDescribed | 1758 ⓘ |
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: Eastern meadowlark Description of subject: The Eastern meadowlark is a medium-sized North American songbird known for its bright yellow underparts with a black "V" on the chest and its clear, whistled song delivered from open grasslands and fields.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.