Cano et al. (1996)
GONZÁLEZ, M. O. (1999) Birds of the lowland forest of Cerros del Sira, central Peru. Cotinga 9: 57-61.
INRENA (2003i)
MEE, A., OHLSON, J., STEWART, I., WILSON, M., ÖRN, P. Y DIAZ, F. J. (2002) The Cerros del Sira revisited: birds of sub-montane and montane forest. Cotinga 18: 46-57.
TERBORGH, J. Y WESKE, J. S. (1975) The role of competition in the distribution of Andean birds. Ecology 56: 562-576.
