Cassin’s Vireo
E351130
Cassin’s Vireo is a small North American songbird in the vireo family, recognized for its gray head, white “spectacles,” and preference for open coniferous and mixed woodlands.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Cassin’s Vireo canonical | 3 |
| Blue-headed Vireo | 1 |
| Cassin's Vireo | 1 |
| Vireo cassinii | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3365219 — 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: Cassin’s Vireo Context triple: [John Cassin, knownFor, Cassin’s Vireo]
-
A.
Hermit thrush
The Hermit thrush is a North American songbird renowned for its clear, flute-like song and widespread forest habitat.
-
B.
Brown thrasher
The Brown thrasher is a medium-sized North American songbird known for its rich, varied vocalizations and striking rufous-brown plumage with heavily streaked underparts.
-
C.
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.
-
D.
Western bluebird
The Western bluebird is a small North American thrush known for the male’s bright blue plumage with a rusty-orange chest and its preference for open woodlands and nest boxes.
-
E.
Carolina wren
The Carolina wren is a small, energetic North American songbird known for its loud, musical calls and distinctive white eyebrow stripe.
- 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: Cassin’s Vireo Target entity description: Cassin’s Vireo is a small North American songbird in the vireo family, recognized for its gray head, white “spectacles,” and preference for open coniferous and mixed woodlands.
-
A.
Hermit thrush
The Hermit thrush is a North American songbird renowned for its clear, flute-like song and widespread forest habitat.
-
B.
Brown thrasher
The Brown thrasher is a medium-sized North American songbird known for its rich, varied vocalizations and striking rufous-brown plumage with heavily streaked underparts.
-
C.
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.
-
D.
Western bluebird
The Western bluebird is a small North American thrush known for the male’s bright blue plumage with a rusty-orange chest and its preference for open woodlands and nest boxes.
-
E.
Carolina wren
The Carolina wren is a small, energetic North American songbird known for its loud, musical calls and distinctive white eyebrow stripe.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
bird
ⓘ
songbird ⓘ species ⓘ vireo ⓘ |
| bodyLength | about 12 centimeters ⓘ |
| bodyMass | about 12 grams ⓘ |
| breedsIn |
southwestern Canada
ⓘ
western North America ⓘ western United States ⓘ |
| class | Aves ⓘ |
| clutchSize | 3–5 eggs ⓘ |
| commonName |
Cassin’s Vireo
self-linksurface differs
ⓘ
surface form:
Cassin's Vireo
Cassin’s Vireo self-link ⓘ |
| conservationStatus | Least Concern ⓘ |
| conservationStatusSystem | IUCN ⓘ |
| describedBy | Spencer Fullerton Baird ⓘ |
| diet |
insects
ⓘ
small fruits ⓘ spiders ⓘ |
| distinctiveMarking |
two white wing bars
ⓘ
white eye-ring connected by a white lore line ⓘ white spectacles ⓘ |
| eggColor | white with brown spots ⓘ |
| family | Vireonidae ⓘ |
| firstDescriptionYear | 1851 ⓘ |
| foragingStrategy | foliage gleaning ⓘ |
| genus | Vireo ⓘ |
| habitat |
forest edge
ⓘ
mixed woodland ⓘ open coniferous woodland ⓘ riparian woodland ⓘ |
| kingdom | Animalia ⓘ |
| migratoryBehavior | migratory ⓘ |
| namedAfter | John Cassin ⓘ |
| nativeTo | North America ⓘ |
| nestLocation | tree branch ⓘ |
| nestType | cup nest ⓘ |
| order | Passeriformes ⓘ |
| phylum | Chordata ⓘ |
| plumageColor |
gray head
ⓘ
olive back ⓘ whitish underparts ⓘ |
| scientificName |
Cassin’s Vireo
self-linksurface differs
ⓘ
surface form:
Vireo cassinii
|
| similarTo |
Cassin’s Vireo
self-linksurface differs
ⓘ
surface form:
Blue-headed Vireo
Plumbeous Vireo ⓘ |
| songType | series of short burry phrases ⓘ |
| taxonRank | species ⓘ |
| vocalization | slow deliberate song phrases ⓘ |
| wintersIn |
Mexico
ⓘ
Southern California ⓘ
surface form:
southern California
|
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: Cassin’s Vireo Description of subject: Cassin’s Vireo is a small North American songbird in the vireo family, recognized for its gray head, white “spectacles,” and preference for open coniferous and mixed woodlands.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Vireo cassinii
this entity surface form:
Cassin's Vireo
this entity surface form:
Blue-headed Vireo