Calidris canutus
E907110
Calidris canutus is a medium-sized migratory shorebird, known as the red knot, famous for its long-distance Arctic-to-temperate migrations and reliance on coastal stopover sites rich in shellfish.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Calidris canutus canonical | 3 |
| Calidris canutus islandica | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11017201 — 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: Calidris canutus Context triple: [red knot, scientificName, Calidris canutus]
-
A.
Calidris mauri
Calidris mauri is a small migratory shorebird of the sandpiper family that breeds in Arctic North America and winters along the coasts of the Americas.
-
B.
Calidris alpina
Calidris alpina is a small migratory shorebird in the sandpiper family, commonly known as the dunlin, found in Arctic and subarctic breeding grounds and coastal wintering areas worldwide.
-
C.
Calidris
Calidris is a genus of small to medium-sized migratory shorebirds, commonly known as sandpipers, found in coastal and wetland habitats worldwide.
-
D.
Branta canadensis
Branta canadensis is a large North American waterfowl species known for its black head and neck with a white chinstrap and its distinctive honking V-shaped migratory flocks.
-
E.
Kentish plover
The Kentish plover is a small, pale shorebird of sandy coasts and salt flats, known for its quick, darting movements and widespread breeding across Eurasia and North Africa.
- 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: Calidris canutus Target entity description: Calidris canutus is a medium-sized migratory shorebird, known as the red knot, famous for its long-distance Arctic-to-temperate migrations and reliance on coastal stopover sites rich in shellfish.
-
A.
Calidris mauri
Calidris mauri is a small migratory shorebird of the sandpiper family that breeds in Arctic North America and winters along the coasts of the Americas.
-
B.
Calidris alpina
Calidris alpina is a small migratory shorebird in the sandpiper family, commonly known as the dunlin, found in Arctic and subarctic breeding grounds and coastal wintering areas worldwide.
-
C.
Calidris
Calidris is a genus of small to medium-sized migratory shorebirds, commonly known as sandpipers, found in coastal and wetland habitats worldwide.
-
D.
Branta canadensis
Branta canadensis is a large North American waterfowl species known for its black head and neck with a white chinstrap and its distinctive honking V-shaped migratory flocks.
-
E.
Kentish plover
The Kentish plover is a small, pale shorebird of sandy coasts and salt flats, known for its quick, darting movements and widespread breeding across Eurasia and North Africa.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bird species
ⓘ
migratory bird ⓘ shorebird ⓘ |
| binomialName | Calidris canutus ⓘ |
| bodySize | medium-sized shorebird ⓘ |
| breedingRange |
Arctic tundra
ⓘ
High Arctic ⓘ
linked to:
high Arctic
|
| class | Aves ⓘ |
| clutchSize | typically 3–4 eggs ⓘ |
| commonName | red knot ⓘ |
| conservationConcern | declining populations in several flyways ⓘ |
| describedBy | Carl Linnaeus ⓘ |
| diet |
bivalve mollusks
ⓘ
marine invertebrates ⓘ shellfish ⓘ |
| family | Scolopacidae ⓘ |
| flyway |
Atlantic Flyway
ⓘ
East Asian–Australasian Flyway ⓘ East Atlantic Flyway ⓘ
linked to:
East Atlantic flyway
|
| foragingBehavior |
probes in sediment for prey
ⓘ
swallows small bivalves whole ⓘ |
| genus | Calidris ⓘ |
| IUCNStatus | Near Threatened ⓘ |
| kingdom | Animalia ⓘ |
| migrationDirection | Arctic to temperate regions ⓘ |
| migrationStrategy | uses a few key staging areas for refueling ⓘ |
| migratoryBehavior | long-distance migrant ⓘ |
| nonBreedingRange |
subtropical coasts
ⓘ
temperate coasts ⓘ tropical coasts ⓘ |
| notableStopoverSite |
Delaware Bay
ⓘ
Wadden Sea ⓘ |
| notableSubspecies |
Calidris canutus canutus
ⓘ
Calidris canutus islandica ⓘ
linked to:
Calidris canutus
Calidris canutus rufa ⓘ |
| order | Charadriiformes ⓘ |
| plumage |
grayish non-breeding plumage
ⓘ
reddish breeding plumage on breast and belly ⓘ |
| reliesOn | coastal stopover sites rich in shellfish ⓘ |
| reproduction | nests on ground in Arctic tundra ⓘ |
| taxonRank | species ⓘ |
| threat |
climate change
ⓘ
disturbance from human activities ⓘ habitat loss at stopover sites ⓘ |
| usesHabitat |
coastal mudflats
ⓘ
estuaries ⓘ sandy shores ⓘ |
| 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: Calidris canutus Description of subject: Calidris canutus is a medium-sized migratory shorebird, known as the red knot, famous for its long-distance Arctic-to-temperate migrations and reliance on coastal stopover sites rich in shellfish.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Calidris canutus