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Asked which he prefers, alligators or crocodiles, and Dean Wilson did not hesitate. “Alligators,” he replied, “I can swim with them, but I can’t swim with crocodiles.” Wilson should know. He once spent four months alone in the Atchafalaya swamps' deep basin with only “a spear, a few hooks, a bow and arrows.” Fortunately, he lived to tell about it and to discuss his career of saving the basin. His fights these days are more often against human intruders than critters.

Wilson is founder and executive director of the Atchafalaya Basin Keeper, a group dedicated to saving the basin he knows from the inside and outside. He joins Errol Laborde, executive editor of Louisiana Life, along with podcast producer Kelly Massicot on a verbal exploration of the basin, North America’s great river swamp. Oh yes, he will also tell about the time that a nutria got in his boat.