Animalia > Chordata > Crocodylia > Alligatoridae > Alligator > Alligator mississippiensisAlligator mississippiensis (Alligator, Gator, American alligator, Florida alligator, Mississippi alligator, Louisiana alligator.)Synonyms: Alligator lucius; Crocodilus cuvieri; Crocodilus lucius; Crocodilus mississipiensis; Crocodylus mississippiensis The American alligator (Alligator mississippiensis), sometimes referred to colloquially as a gator or common alligator, is a large crocodilian reptile endemic to the southeastern United States. It is one of two living species in the genus Alligator within the family Alligatoridae; it is larger than the other extant alligator species, the Chinese alligator. Adult male American alligators measure 3.4 to 4.6 m (11 to 15 ft) in length, and can weigh up to 453 kg (1,000 lb). Females are smaller, measuring around 3 m (9.8 ft). The American alligator inhabits freshwater wetlands, such as marshes and cypress swamps from Texas to North Carolina. It is distinguished from the sympatric American crocodile by its broader snout, with overlapping jaws and darker coloration, and is less tolerant of saltw |
Egg Length [3] | 2.992 inches (76 mm) | Gestation [4] | 65 days | Litter Size [4] | 42 | Litters / Year [3] | 1 | Maximum Longevity [2] | 73 years | Water Biome [1] | Lakes and Ponds, Rivers and Streams, Coastal, Brackish Water |  | Adult Weight [2] | 330.695 lbs (150.00 kg) | Birth Weight [3] | 50 grams | Female Weight [3] | 105.382 lbs (47.80 kg) |  | Diet [1] | Carnivore |  | Female Maturity [2] | 12 years | Male Maturity [2] | 12 years |
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Name |
IUCN Category |
Area acres |
Location |
Species |
Website |
Climate |
Land Use |
Big Cypress National Preserve |
V |
732120 |
Florida, United States |
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Big Thicket Biosphere Reserve National Park |
II |
616880 |
Texas, United States |
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Canaveral National Seashore |
II |
9090 |
Florida, United States |
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Cape Romain National Wildlife Refuge |
IV |
8964 |
South Carolina, United States |
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Carolinian-South Atlantic Biosphere Reserve |
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310228 |
North Carolina, South Carolina, Georgia, United States |
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Cumberland Island National Seashore |
II |
20629 |
Georgia, United States |
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Everglades and Dry Tortugas Biosphere Reserve |
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Florida, United States |
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Felsenthal National Wildlife Refuge |
VI |
66133 |
Arkansas, United States |
|
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|
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Florida Keys National Marine Sanctuary |
IV |
2387149 |
Florida, United States |
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Fort Caroline National Memorial |
III |
137 |
Florida, United States |
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Fort Pulaski National Monument |
V |
4213 |
Georgia, United States |
|
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|
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Gulf Island National Seashore |
II |
67487 |
Florida, Mississippi, United States |
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Hot Springs National Park |
II |
5740 |
Arkansas, United States |
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Jean Lafitte National Hist. Park & Preserve National Historical Park |
II |
17686 |
Louisiana, United States |
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Little River National Wildlife Refuge |
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Oklahoma, United States |
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Little St. Simons Island |
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Georgia, United States |
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Okefenokee National Wildlife Refuge |
IV |
38256 |
Florida, United States |
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Santee Coastal Reserve and Washo Reserve State Habitat Area |
IV |
20850 |
South Carolina, United States |
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South Atlantic Coastal Plain Biosphere Reserve |
|
20317 |
South Carolina, United States |
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Wheeler National Wildlife Refuge |
IV |
26618 |
Alabama, United States |
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|
|
Florida Louisiana Mississippi |
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Attributes / relations provided by ♦ 1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org♦ 2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774 ♦ 3Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109 ♦ 4Hunt, RH, Ogden, JJ (1991). Selected aspects of the nesting ecology of American alligators in the Okefenokee swamp. J. Herpetol. 25(4): 448-453 ♦ 5Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics. ♦ 6Sylvilagus aquaticus, Joseph A. Chapman and George A. Feldhamer, Mammalian Species No. 151, pp. 1-4 (1981) ♦ 7Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database |
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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