Tyrant-flycatchers (Tyrannidae)

Sooty Tyrannulet (Serpophaga nigricans) - HBW 9, p. 285

French: Tyranneau noirâtre German: Rußkleintyrann Spanish: Piojito Gris

Taxonomy: Sylvia nigricans Vieillot, 1817, Paraguay.
Possibly closest to S. cinerea. Includes “S. araguayae” . Monotypic.

Distribution: S Bolivia (Tarija), Paraguay and SE Brazil (S from Minas Gerais and Espírito Santo) S to C Argentina (S to Río Negro) and Uruguay.