American alligator
E22010
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| American alligator canonical | 28 |
| Alligator mississippiensis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T174648 — 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: American alligator Context triple: [Everglades National Park, hasSpecies, American alligator]
-
A.
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.
-
B.
Beaver
Beaver was one of the British ships in Boston Harbor whose tea cargo was destroyed during the Boston Tea Party protest in 1773.
-
C.
Culebra
Culebra is a small Caribbean island municipality of Puerto Rico known for its pristine beaches, clear waters, and protected wildlife refuges.
-
D.
Aldabrachelys
Aldabrachelys is a genus of large tortoises best known for the Aldabra giant tortoise native to the Aldabra Atoll in the Indian Ocean.
-
E.
Beavers
The Beavers are the athletic teams representing Oregon State University in NCAA Division I sports.
- 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: American alligator Target entity description: 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.
-
A.
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.
-
B.
Beaver
Beaver was one of the British ships in Boston Harbor whose tea cargo was destroyed during the Boston Tea Party protest in 1773.
-
C.
Culebra
Culebra is a small Caribbean island municipality of Puerto Rico known for its pristine beaches, clear waters, and protected wildlife refuges.
-
D.
Aldabrachelys
Aldabrachelys is a genus of large tortoises best known for the Aldabra giant tortoise native to the Aldabra Atoll in the Indian Ocean.
-
E.
Beavers
The Beavers are the athletic teams representing Oregon State University in NCAA Division I sports.
- F. None of above. chosen
Statements (87)
| Predicate | Object |
|---|---|
| instanceOf |
crocodilian
ⓘ
reptile ⓘ species ⓘ |
| activityPattern | mostly nocturnal ⓘ |
| averageAdultLength | 3.4 meters ⓘ |
| averageAdultMass | 200 kilograms ⓘ |
| binomialName |
Alligator mississippiensis
ⓘ
linked to:
American alligator
|
| bodyTemperatureRegulation | ectothermic ⓘ |
| breedingSeason | spring ⓘ |
| class | Reptilia ⓘ |
| clutchSize | 20 to 50 eggs ⓘ |
| coexistsWith | American crocodile in southern Florida ⓘ |
| commercialUse |
leather industry
ⓘ
meat production ⓘ |
| commonName |
American alligator
ⓘ
gator ⓘ |
| conservationStatus | Least Concern ⓘ |
| conservationStatusSystem |
IUCN Red List
ⓘ
linked to:
IUCN Red List of Threatened Species
|
| diet | carnivorous ⓘ |
| distinctiveFeature |
broad U-shaped snout
ⓘ
overlapping upper teeth when mouth is closed ⓘ |
| distinguishedFrom | American crocodile ⓘ |
| ecologicalRole |
apex predator
ⓘ
keystone species ⓘ |
| family | Alligatoridae ⓘ |
| farmedIn |
Florida
ⓘ
Louisiana ⓘ other Gulf Coast states ⓘ |
| firstDescribedBy | François Marie Daudin ⓘ |
| foundIn |
Alabama
ⓘ
Arkansas ⓘ Florida ⓘ Georgia ⓘ Louisiana ⓘ Mississippi ⓘ North Carolina ⓘ Oklahoma ⓘ South Carolina ⓘ Texas ⓘ |
| genus | Alligator ⓘ |
| habitat |
bayous
ⓘ
freshwater wetlands ⓘ lakes ⓘ man-made canals ⓘ marshes ⓘ ponds ⓘ rivers ⓘ swamps ⓘ |
| hasArmor | bony osteoderms ⓘ |
| kingdom | Animalia ⓘ |
| lifespanInCaptivity | over 60 years ⓘ |
| lifespanInWild | 35 to 50 years ⓘ |
| locomotion |
high walk
ⓘ
quadrupedal walking ⓘ short bursts of running ⓘ swimming ⓘ |
| maximumRecordedLength | about 4.6 meters ⓘ |
| nativeTo |
United States
ⓘ
linked to:
United States of America
southeastern United States ⓘ
linked to:
Southern United States
|
| nestType | vegetation mound ⓘ |
| order | Crocodilia ⓘ |
| parentalCare |
females assist hatchlings to water
ⓘ
females guard nests ⓘ |
| phylum | Chordata ⓘ |
| previousConservationStatus | endangered in mid-20th century ⓘ |
| preysOn |
amphibians
ⓘ
birds ⓘ fish ⓘ invertebrates ⓘ mammals ⓘ reptiles ⓘ |
| protectedBy |
U.S. Endangered Species Act (historically)
ⓘ
linked to:
U.S. Endangered Species Act
state wildlife regulations ⓘ |
| reproduction | oviparous ⓘ |
| roleInEcosystem | creates alligator holes that provide habitat for other species ⓘ |
| sexDeterminationDetail |
higher nest temperatures tend to produce males
ⓘ
lower nest temperatures tend to produce females ⓘ |
| sexualDimorphism | males larger than females ⓘ |
| skinType | scaly ⓘ |
| taxonRank | species ⓘ |
| temperatureDependentSexDetermination | yes ⓘ |
| threats |
habitat loss
ⓘ
illegal hunting ⓘ |
| vocalization |
bellows
ⓘ
grunts ⓘ hisses ⓘ |
| yearDescribed | 1802 ⓘ |
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: American alligator Description of subject: 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.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.