* American Alligator: Found in freshwater habitats, such as swamps, rivers, lakes, and marshes, in the southeastern United States, including Florida, Georgia, Alabama, Mississippi, Louisiana, and Texas.
* Chinese Alligator: Native to freshwater habitats in eastern China, especially in the Yangtze River basin, including in the provinces of Jiangsu, Anhui, Zhejiang, and Jiangxi.
* Black Caiman: Inhabits freshwater wetlands, rivers, and lakes in South America, including Brazil, Colombia, Venezuela, Peru, Ecuador, Bolivia, and Paraguay.
* American Crocodile: Found in coastal wetlands, rivers, and estuaries in North, Central, and South America, ranging from Florida and the Caribbean to Mexico, Central America, and northwestern South America.
* Saltwater Crocodile: Found in coastal habitats, including estuaries, mangroves, rivers, and brackish water, in Southeast Asia and northern Australia.
Alligators prefer shallow waters with plenty of vegetation for cover, and they construct nests on the banks of rivers or lakes. They are semi-aquatic and can spend long periods in the water, but they also bask in the sun on land.