This study presents the first record of the Sungrebe Heliornis fulica for the state of Piauí in northeastern Brazil, a first sighting also in a Cerrado/Caatinga ecotone. On 19 December 2014, a female Sungrebe was collected by a local fisherman in the Corrente River located between the towns of Capitão de Campos and Piripiri in the northcentral part of the state of Piauí.