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Swallows and Martins (Hirundinidae)

White-rumped Swallow (Tachycineta leucorrhoa) - HBW 9, p. 652

French: Hirondelle à diadème German: Weißbürzelschwalbe Spanish: Golondrina Cejiblanca

Taxonomy: Hirundo leucorrhoa Vieillot, 1817, Paraguay.
This species, along with T. bicolor, T. albilinea (and, by extension, T. stolzmanni), T. albiventer and T. meyeni, sometimes placed in separate genus Iridoprocne, but DNA studies indicate close relationship of these taxa with clade consisting of T. thalassina, T. euchrysea and T. cyaneoviridis, and support placement of all in a single genus. Forms a superspecies with T. meyeni; formerly considered conspecific owing to similarities in morphology and voice, but comparison of DNA sequences supports treatment as separate specie.. View all taxonomy...

Taxonomy: Hirundo leucorrhoa Vieillot, 1817, Paraguay.
This species, along with T. bicolor, T. albilinea (and, by extension, T. stolzmanni), T. albiventer and T. meyeni, sometimes placed in separate genus Iridoprocne, but DNA studies indicate close relationship of these taxa with clade consisting of T. thalassina, T. euchrysea and T. cyaneoviridis, and support placement of all in a single genus. Forms a superspecies with T. meyeni; formerly considered conspecific owing to similarities in morphology and voice, but comparison of DNA sequences supports treatment as separate species. Monotypic.

Distribution: Breeds from C & E Bolivia and C Brazil (S from C Mato Grosso, C Goiás and Espírito Santo) S to N Argentina (S to La Pampa and Buenos Aires) and Uruguay; in non-breeding season occurs N to SE Peru, N Bolivia and NC Brazil.

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