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Remsen Jr., J.V., Cadena, C.D., Jaramillo, A., Nores, M., Pacheco, J.F., Robbins, M.B., Schulenberg, T.S., Stiles, F.G., Stotz, D.F. & Zimmer, K.J. 2002-present. A classification of the bird species of South America. American Ornithologists' Union., 7 Jun 2002. ≡