They sunbathe on sandbars, slip silently beneath dark water and occasionally startle a boater or two.

While Florida gets most of the reptilian attention , Alabama quietly ranks among the top states for American alligator populations, and some are massive. Think over 13 feet and over 1,011.5 pounds.

Alabama's alligators are thriving, and according to World Atlas , five rivers in particular are teeming with them.

Here's where you're most likely to spot the state's scaly celebrities, and what to know before you go. Here is World Atlas' top 5 most alligator filled rivers in Alabama .

Mobile-Tensaw Delta

Sprawling across 260,000 acres of wetlands near Mobile Bay, the Mobile-Tensaw Delta is Alabama's undisputed gator capital, says World Atlas. Formed where the Alabama and Tombigbee ri

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