Description of a New Species of Pionopsitta (Aves: Psittacidae) Endemic to Brazil

Gaban-Lima, Renato ; Raposo, Marcos A ; Höfling, Elizabeth Hackett, S. J

The Auk, 2002-07, Vol.119 (3), p.815-819 [Periódico revisado por pares]

Lawrence, KS: The American Ornithologists' Union

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