The Unconquered: In Search of the Amazon's Last Uncontacted Tribes

Tabatinga, a sweltering outpost where the borders of Brazil, Peru, and Colombia converged.

The sound of sudden inhalation followed, like water being sucked down a drain. I caught a glimpse of a pinkish gray hump before it vanished beneath the murky surface. “Boto,” said Soldado as he tossed his cigarette butt over the railing. The legendary Amazonian river dolphin. It surfaced again, and this time the animal sprayed water ten feet into t