Ridgway's rail
E505098
Ridgway's rail is a secretive, marsh-dwelling bird of the western United States, known for its dependence on coastal salt marshes and its status as a threatened species.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ridgway's rail canonical | 1 |
| Yuma clapper rail | 1 |
| light-footed Ridgway’s rail | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5242927 — 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: Ridgway's rail Context triple: [San Pablo Bay National Wildlife Refuge, habitatFor, Ridgway's rail]
-
A.
Weaver rail (partially)
The Weaver rail is a firearm mounting system featuring a series of crosswise slots used to attach scopes and accessories, similar in design to but not fully interchangeable with the Picatinny rail.
-
B.
Branta hutchinsii
Branta hutchinsii, commonly known as the cackling goose, is a small North American goose species closely resembling the Canada goose but distinguished by its smaller size and higher-pitched calls.
-
C.
Sumba buttonquail
The Sumba buttonquail is a small, ground-dwelling bird species of buttonquail found only on the Indonesian island of Sumba.
-
D.
Cape Bird
Cape Bird is an ice-free volcanic headland on Ross Island in Antarctica, known for its large Adélie penguin colonies and scientific research stations.
-
E.
Colinus nigrogularis
Colinus nigrogularis, commonly known as the black-throated bobwhite, is a small ground-dwelling New World quail species native to parts of Central America.
- 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: Ridgway's rail Target entity description: Ridgway's rail is a secretive, marsh-dwelling bird of the western United States, known for its dependence on coastal salt marshes and its status as a threatened species.
-
A.
Weaver rail (partially)
The Weaver rail is a firearm mounting system featuring a series of crosswise slots used to attach scopes and accessories, similar in design to but not fully interchangeable with the Picatinny rail.
-
B.
Branta hutchinsii
Branta hutchinsii, commonly known as the cackling goose, is a small North American goose species closely resembling the Canada goose but distinguished by its smaller size and higher-pitched calls.
-
C.
Sumba buttonquail
The Sumba buttonquail is a small, ground-dwelling bird species of buttonquail found only on the Indonesian island of Sumba.
-
D.
Cape Bird
Cape Bird is an ice-free volcanic headland on Ross Island in Antarctica, known for its large Adélie penguin colonies and scientific research stations.
-
E.
Colinus nigrogularis
Colinus nigrogularis, commonly known as the black-throated bobwhite, is a small ground-dwelling New World quail species native to parts of Central America.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
animal
ⓘ
bird ⓘ rail ⓘ vertebrate ⓘ |
| behavior |
marsh-dwelling
ⓘ
secretive ⓘ |
| billColor | orange ⓘ |
| class | Aves ⓘ |
| clutchSize | 6–11 eggs ⓘ |
| commonName |
Ridgway's rail
NERFINISHED
ⓘ
Ridgway’s rail NERFINISHED ⓘ |
| conservationStatus | Near Threatened ⓘ |
| conservationStatusSystem | IUCN Red List NERFINISHED ⓘ |
| diet | omnivorous ⓘ |
| eats |
aquatic invertebrates
ⓘ
crustaceans ⓘ insects ⓘ mollusks ⓘ seeds ⓘ small fish ⓘ |
| family | Rallidae NERFINISHED ⓘ |
| foundIn |
Baja California
NERFINISHED
ⓘ
California NERFINISHED ⓘ |
| genus | Rallus ⓘ |
| habitat |
brackish marsh
ⓘ
coastal salt marsh ⓘ tidal marsh ⓘ |
| kingdom | Animalia ⓘ |
| legColor | dull orange ⓘ |
| movement | non-migratory ⓘ |
| namedAfter | Robert Ridgway NERFINISHED ⓘ |
| nativeTo |
Pacific coast of North America
NERFINISHED
ⓘ
western United States NERFINISHED ⓘ |
| nestingSite | dense marsh vegetation ⓘ |
| order | Gruiformes NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| plumageColor |
grayish brown
ⓘ
rufous ⓘ |
| protectedBy | U.S. Endangered Species Act NERFINISHED ⓘ |
| scientificName | Rallus obsoletus NERFINISHED ⓘ |
| taxonRank | species ⓘ |
| threat |
coastal development
ⓘ
habitat loss ⓘ predation by introduced species ⓘ sea-level rise ⓘ |
| USConservationStatus | Threatened ⓘ |
| vocalization | series of clattering kek notes ⓘ |
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: Ridgway's rail Description of subject: Ridgway's rail is a secretive, marsh-dwelling bird of the western United States, known for its dependence on coastal salt marshes and its status as a threatened species.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
light-footed Ridgway’s rail
this entity surface form:
Yuma clapper rail