The Glaucous Macaw
Entry on the Glaucous Macaw in Threatened Birds of the Americas by N.J.COLLAR, L.P GONZAGA, N.KRABBE, A.MADROÑO NIETO, L.G. NARANJO, T.A.PARKER III and D.C.WEGE. Published at the end of 1992 by the Smithsonian Institution Press of Washington and London in cooperation with the International Council for Bird Preservation, Cambridge, U.K.
Los últimos días del guacamayo azul by Claudio Bertonatti. Published in Vida Silvestre, the magazine of the Fundación Vida Silvestre Argentina. July/August 2001, Issue Nº 78, pages 44-50