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.

Jump to: Surface forms Statements Referenced by

Observed surface forms (1)

Surface form Occurrences
Alligator mississippiensis 1

Statements (87)

Predicate Object
instanceOf crocodilian
reptile
species
activityPattern mostly nocturnal
averageAdultLength 3.4 meters
averageAdultMass 200 kilograms
binomialName American alligator self-linksurface differs
surface form: Alligator mississippiensis
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 of Threatened Species
surface form: IUCN Red List
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 of America
surface form: United States

Southern United States
surface form: southeastern 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
surface form: U.S. Endangered Species Act (historically)

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

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

American alligator binomialName American alligator self-linksurface differs
this entity surface form: Alligator mississippiensis
Altamaha River habitatFor American alligator
subject surface form: Okefenokee National Wildlife Refuge
Everglades National Park hasSpecies American alligator
American crocodile similarTo American alligator
Greater Everglades ecosystem supportsSpecies American alligator