Município de Lorêto: "Ilha de Balsas" region, between the Rios Balsas and Parnaíba. Santa Bárbara, due SSE of Lorêto, on shore of Parnaíba. Flat river plain, less than 1 km. wide, several meters above [interpreted] river level, covered with dense babaçu palm grove., Maranhão, Brazil, South America - Neotropics