Buntings and New World Sparrows (Emberizidae)

Blue Seedeater (Amaurospiza concolor) - HBW 16, p. 665

French: Sporophile bleu German: Indigopfäffchen Spanish: Semillero Azul
Other common names: Cabanis’s Seedeater; Slate-blue Seedeater (relicta)

Taxonomy: Amaurospiza concolor Cabanis, 1861, Costa Rica.
Molecular data indicate that genus may belong in the cardinal family (Cardinalidae), rather than in present one. Race relicta sometimes treated as a separate species. Proposed race grandior (described from Peña Blanca, in E Nicaragua) synonymized with nominate. Three subspecies recognized.

Subspecies and Distribution:

  • relicta (Griscom, 1934) - mountains of Guerrero, Morelos and Oaxaca, in SW Mexico.
  • concolor Cabanis, 1861 - S Mexico (Chiapas), Honduras, Nicaragua, Costa Rica and W & C Panama.
  • aequatorialis Sharpe, 1888 - SW Colombia (Nariño), W & C Ecuador (SW Manabí and W Guayas; W slope of Andes S locally to Loja) and N Peru (Cajamarca, possibly also Piura).

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