Nile crocodile
E31840
The Nile crocodile is a large and aggressive African crocodilian known for inhabiting rivers, lakes, and wetlands and being one of the continent’s most formidable predators.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Nile crocodile canonical | 10 |
| Crocodylus niloticus | 4 |
| Sweetheart (crocodile) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T248265 — 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: Nile crocodile Context triple: [Mana Pools National Park, habitatFor, Nile crocodile]
-
A.
American crocodile
The American crocodile is a large, primarily coastal crocodilian native to the Americas, known for inhabiting brackish and saltwater habitats such as mangrove swamps, estuaries, and coastal lagoons.
-
B.
American alligator
The American alligator is a large, semi-aquatic reptile native to the southeastern United States, known for inhabiting freshwater wetlands and playing a key role as an apex predator in its ecosystems.
-
C.
Burmese python
The Burmese python is a large, nonvenomous constrictor snake native to Southeast Asia that has become a highly destructive invasive species in the Florida Everglades.
-
D.
Komodo
Komodo is an Indonesian island best known as the natural habitat of the Komodo dragon and a key part of Komodo National Park.
-
E.
Stigmochelys
Stigmochelys is a genus of tortoises best known for the leopard tortoise, a large, high-domed species native to the savannas of eastern and southern 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: Nile crocodile Target entity description: The Nile crocodile is a large and aggressive African crocodilian known for inhabiting rivers, lakes, and wetlands and being one of the continent’s most formidable predators.
-
A.
American crocodile
The American crocodile is a large, primarily coastal crocodilian native to the Americas, known for inhabiting brackish and saltwater habitats such as mangrove swamps, estuaries, and coastal lagoons.
-
B.
American alligator
The American alligator is a large, semi-aquatic reptile native to the southeastern United States, known for inhabiting freshwater wetlands and playing a key role as an apex predator in its ecosystems.
-
C.
Burmese python
The Burmese python is a large, nonvenomous constrictor snake native to Southeast Asia that has become a highly destructive invasive species in the Florida Everglades.
-
D.
Komodo
Komodo is an Indonesian island best known as the natural habitat of the Komodo dragon and a key part of Komodo National Park.
-
E.
Stigmochelys
Stigmochelys is a genus of tortoises best known for the leopard tortoise, a large, high-domed species native to the savannas of eastern and southern Africa.
- F. None of above. chosen
Statements (71)
| Predicate | Object |
|---|---|
| instanceOf |
apex predator
ⓘ
crocodile species ⓘ reptile ⓘ vertebrate ⓘ |
| activityPattern | mostly nocturnal hunter ⓘ |
| adaptation |
eyes and nostrils positioned on top of head
ⓘ
heavily armored skin ⓘ powerful tail for swimming ⓘ valvular nostrils for underwater breathing control ⓘ |
| baskingBehavior | sun-basking for thermoregulation ⓘ |
| binomialName |
Nile crocodile
self-linksurface differs
ⓘ
surface form:
Crocodylus niloticus
|
| bodyColor | dark bronze with darker cross-bands ⓘ |
| class | Reptilia ⓘ |
| commonName | Nile crocodile self-link ⓘ |
| conservationStatus | Least Concern ⓘ |
| conservationStatusSystem |
IUCN Red List of Threatened Species
ⓘ
surface form:
IUCN Red List
|
| describedBy | Josephus Nicolaus Laurenti ⓘ |
| diet | carnivorous ⓘ |
| distributionNote | widely distributed across much of Africa south of the Sahara ⓘ |
| ecologicalRole |
scavenger
ⓘ
top predator in freshwater ecosystems ⓘ |
| family | Crocodylidae ⓘ |
| feedingBehavior | ambush predator ⓘ |
| foundIn |
Madagascar
ⓘ
Nile ⓘ
surface form:
Nile River basin
Sub-Saharan Africa ⓘ |
| genus | Crocodylus ⓘ |
| habitat |
estuaries
ⓘ
lakes ⓘ marshes ⓘ rivers ⓘ wetlands ⓘ |
| huntingTechnique | death roll ⓘ |
| jawStrength | very strong bite force ⓘ |
| juvenileColor | olive with dark spots ⓘ |
| kingdom | Animalia ⓘ |
| lifespanInCaptivity | over 80 years ⓘ |
| lifespanInWild | up to about 70 years ⓘ |
| lifestyle | semi-aquatic ⓘ |
| locomotion |
swimming
ⓘ
walking on land ⓘ |
| maximumLength | about 6 meters ⓘ |
| maximumWeight | over 700 kilograms ⓘ |
| nativeTo | Africa ⓘ |
| nestType |
burrow nests
ⓘ
mound nests ⓘ |
| notableBehavior | attacks humans ⓘ |
| order | Crocodilia ⓘ |
| parentalCare |
female guards hatchlings
ⓘ
female guards nest ⓘ |
| phylum | Chordata ⓘ |
| preysOn |
antelope
ⓘ
birds ⓘ domestic livestock ⓘ fish ⓘ mammals ⓘ wildebeest ⓘ zebras ⓘ |
| reproduction | oviparous ⓘ |
| sexualDimorphism | males larger than females ⓘ |
| socialBehavior | often basks in groups ⓘ |
| taxonRank | species ⓘ |
| temperatureRegulation | ectothermic ⓘ |
| threat |
conflict with humans
ⓘ
habitat loss ⓘ hunting ⓘ |
| typicalLength | 3.5 to 5 meters ⓘ |
| use |
leather production
ⓘ
meat ⓘ tourism attraction ⓘ |
| yearDescribed | 1768 ⓘ |
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: Nile crocodile Description of subject: The Nile crocodile is a large and aggressive African crocodilian known for inhabiting rivers, lakes, and wetlands and being one of the continent’s most formidable predators.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Crocodylus niloticus
this entity surface form:
Sweetheart (crocodile)
this entity surface form:
Crocodylus niloticus
this entity surface form:
Crocodylus niloticus
this entity surface form:
Crocodylus niloticus