Isler, M. L.; Chesser, R. T.; Robbins, M. B.; Cuervo, A. M.; Cadena, C. D.; Hosner, P. A.

Taxonomic Evaluation of the Grallaria rufula (Rufous Antpitta) Complex
(Aves: Passeriformes: Grallariidae) Distinguishes Sixteen species

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