Primer registro de la Viudita Enmascarada (<i>Fluvicola nengeta</i>) en la provincia de Salta y comentarios sobre su expansión en Argentina

In this work we summarize the records with and without evidence of the Masked-water Tyrant (Fluvicola nengeta) within the Argentine territory and we present new documented records providing data on the growing expansion of the species in the country. We also present the first record for the province of Salta.