2001.Biological and Social Assessments of the Cordillera de Vilcabamba, Peru. RAP Working Papers SI/MAB Series 6.Alonso, L; Alonso,A., Schulenberg ,Th.& Dallmeier, F. Editors.Conservation International.
OTISHI (2004) Evaluación de la biodiversidad de la Cordillera Vilcabamba.
TERBORGH, J. (1971) Distribution on environmental gradients: theory and a preliminary interpretation of distributional patterns in the avifauna of the cordillera Vilcabamba, Perú. Ecology 52: 23-40.
TERBORGH, J. Y WESKE, J. S. (1975) The role of competition in the distribution of Andean birds. Ecology 56: 562-576.