New World Blackbirds (Icteridae)

Scarlet-headed Blackbird (Amblyramphus holosericeus) - HBW 16, p. 794

French: Carouge à tête rouge German: Rotkopfstärling Spanish: Federal
Other common names: Scarlet-headed Marshbird, Orange-headed Blackbird

Taxonomy: Xanthornus (holosericeus) Scopoli, 1786, Panay island, Philippines; error = the Paraná River Delta, Argentina.
Analysis of mitochondrial DNA suggests relationship with Curaeus, but the two genera differ morphologically and behaviourally. Monotypic.

Distribution: NE Bolivia (Beni and Santa Cruz), most of Paraguay, and S Brazil (S from S Mato Grosso and Santa Catarina, occasionally Paraná and possibly also São Paulo) S to NW & E Argentina (N Salta, Córdoba, and E Chaco S to Buenos Aires) and Uruguay.