northern pintail
E260390
The northern pintail is a widespread, slender-necked dabbling duck known for its graceful long tail, migratory behavior, and preference for open wetlands across the Northern Hemisphere.
All labels observed (1)
| Label | Occurrences |
|---|---|
| northern pintail canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2384851 — 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: northern pintail Context triple: [Pacific Flyway, supportsSpecies, northern pintail]
-
A.
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.
-
B.
red-necked phalarope
The red-necked phalarope is a small, migratory wader known for its distinctive reddish neck in breeding plumage and unusual behavior of females being more brightly colored and males incubating the eggs.
-
C.
Mallard
Mallard is a famous British LNER Class A4 steam locomotive that holds the world speed record for steam traction, preserved today as a historic exhibit.
-
D.
white-winged wood duck
The white-winged wood duck is a large, rare and endangered forest duck native to northeastern India and Southeast Asia, known for its striking white wing patches and preference for secluded, swampy forest wetlands.
-
E.
River Crake
The River Crake is a short river in the Lake District of Cumbria, England, flowing from Coniston Water southward to join the River Leven near Morecambe Bay.
- 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: northern pintail Target entity description: The northern pintail is a widespread, slender-necked dabbling duck known for its graceful long tail, migratory behavior, and preference for open wetlands across the Northern Hemisphere.
-
A.
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.
-
B.
red-necked phalarope
The red-necked phalarope is a small, migratory wader known for its distinctive reddish neck in breeding plumage and unusual behavior of females being more brightly colored and males incubating the eggs.
-
C.
Mallard
Mallard is a famous British LNER Class A4 steam locomotive that holds the world speed record for steam traction, preserved today as a historic exhibit.
-
D.
white-winged wood duck
The white-winged wood duck is a large, rare and endangered forest duck native to northeastern India and Southeast Asia, known for its striking white wing patches and preference for secluded, swampy forest wetlands.
-
E.
River Crake
The River Crake is a short river in the Lake District of Cumbria, England, flowing from Coniston Water southward to join the River Leven near Morecambe Bay.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
bird
ⓘ
dabbling duck ⓘ duck ⓘ migratory bird ⓘ |
| billColor | bluish-grey ⓘ |
| binomialName | Anas acuta ⓘ |
| bodyLength | 50–65 cm ⓘ |
| breedingRange |
northern Asia
ⓘ
Northern Europe ⓘ
surface form:
northern Europe
northern North America ⓘ |
| class | Aves ⓘ |
| clutchSize | 7–9 eggs ⓘ |
| commonName |
northern pintail
ⓘ
pintail ⓘ |
| conservationThreat |
climate change impacts on wetlands
ⓘ
hunting pressure ⓘ wetland loss ⓘ |
| describedBy | Carl Linnaeus ⓘ |
| describedInYear | 1758 ⓘ |
| diet |
aquatic plants
ⓘ
invertebrates ⓘ seeds ⓘ |
| distribution |
Asia
ⓘ
Europe ⓘ North America ⓘ Northern Hemisphere ⓘ |
| eggColor | pale olive ⓘ |
| family | Anatidae ⓘ |
| femalePlumage | mottled brown ⓘ |
| flightStyle | fast and agile ⓘ |
| foragingBehavior | dabbling ⓘ |
| genus | Anas ⓘ |
| habitat |
coastal lagoons
ⓘ
flooded fields ⓘ lakes ⓘ marshes ⓘ shallow freshwater wetlands ⓘ |
| IUCNStatus | Least Concern ⓘ |
| IUCNStatusSystem |
IUCN Red List of Threatened Species
ⓘ
surface form:
IUCN Red List
|
| kingdom | Animalia ⓘ |
| legColor | grey ⓘ |
| malePlumage |
chocolate-brown head
ⓘ
grey body ⓘ long pointed central tail feathers ⓘ white neck ⓘ |
| migration | long-distance migrant ⓘ |
| nestingSite | ground near water ⓘ |
| order | Anseriformes ⓘ |
| phylum | Chordata ⓘ |
| sexualDimorphism | present ⓘ |
| socialBehavior | gregarious in winter ⓘ |
| species | Anas acuta ⓘ |
| tailCharacteristic | long pointed tail ⓘ |
| taxonRank | species ⓘ |
| weight | 450–1100 g ⓘ |
| wingspan | 80–95 cm ⓘ |
| winteringRange |
Central America
ⓘ
East Asia ⓘ South Asia ⓘ southern North America ⓘ Sub-Saharan Africa ⓘ
surface form:
sub-Saharan Africa
|
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: northern pintail Description of subject: The northern pintail is a widespread, slender-necked dabbling duck known for its graceful long tail, migratory behavior, and preference for open wetlands across the Northern Hemisphere.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.