Crocodilians Around the World

Crocodilians live on every continent except Europe and Antarctica. They bask on the sandbars of the Amazon and the Congo, drift in the canals of Florida suburbs, haul out on Mexican tourist beaches, and cruise the tidal rivers of Borneo. Wherever there is warm water and something to eat, some member of this family has been there for a very long time. This chapter is a short tour of the ones most likely to cross a human life — where they live, how they differ, and why the lesson never changes.

The American alligator — the United States

The American alligator (Alligator mississippiensis) is one of conservation’s great comebacks. Hunted to the brink in the twentieth century, it now numbers perhaps five million across the southeastern United States, from the Carolinas to Texas, with its strongholds in Florida and Louisiana. It lives in lakes, rivers and swamps — and, increasingly, in the water hazards of golf courses, in retention ponds behind shopping centers, in drainage canals, and in the lake behind the house. As American suburbs have spread into wetland, people and alligators now share more edges than ever before.

By the standards of the saltwater or Nile crocodile, the American alligator is relatively wary of people — and that reputation is precisely its danger. Fed by hand it loses its fear fast, which is why feeding wild alligators is illegal in Florida. Attacks cluster where people wade or swim in natural water, walk a dog at the bank, or enter the water at dawn or dusk, and they happen in water so shallow and ordinary that no one thought to be afraid. In June 2026 a young woman died after an alligator seized her in about three feet of a calm Florida river while she cooled off with friends; her story is told, with dignity, in the tragedies chapter. You will hear these animals called “swamp puppies,” an affectionate nickname that has spread across social media — and it is easy to forget, behind a word like that, that they are apex predators. Alligators are, on average, more placid than the other great crocodilians, but placid is not tame and it is certainly not safe: a large alligator is fully capable of taking a life. So there is no such thing as a safe crocodilian in the water with you. The only safe crocodilian is one you are watching from a distance, well back and out of its reach. Keep your body out of any water these animals live in or could move into, observe them from afar and with respect, and they are no threat to you at all.