Tyrant-flycatchers (Tyrannidae)

Black-backed Water-tyrant (Fluvicola albiventer) - HBW 9, p. 388

French: Moucherolle à dos noir German: Schwarzrücken-Wassertyrann Spanish: Viudita Dorsinegra

Taxonomy: Muscicapa albiventer Spix, 1825, Bahia, Brazil.
May form a superspecies with F. pica; often considered conspecific, but differs in plumage and vocalizations and no intergradation between the two. Monotypic.

Distribution: Breeds from NC & E Brazil (lower Amazon region and Maranhão E to Rio Grande do Norte, S locally to Mato Grosso do Sul and W São Paulo) S to E Bolivia, Paraguay, N Argentina (S to La Rioja, Santa Fe and Buenos Aires) and W Uruguay; also occurs in W Amazonian Brazil, SE Peru and N Bolivia in non-breeding season.