Selected references: Roberts, J.L., Brown, J.L., Schulte, R., Arizabal, W, and Summers, K. Rapid diversification of coloration among populations of a poison frog isolated on sky peninsulas in the central cordillera of Peru. In press in Journal of Biogeography.
Roberts, J.L., Brown, J.L., Arizabal, W., von May, R.,, Schulte, R., & Summers, K. 2006. Genetic divergence and speciation in lowland and montane Peruvian poison frogs. In press in Molecular Phylogenetics and Evolution. (PDF)
Grant, T., D. R. Frost, J. P. Caldwell, R. Gagliardo, C. F. B. Haddad, P. J. R. Kok, B. D. Means, B. P. Noonan, W. Schargel, and W. C. Wheeler. 2006. Phylogenetic systematics of dart-poison frogs and their relatives (Anura: Athesphatanura: Dendrobatidae). Bulletin of the American Museum of Natural History 299: 1-262. (PDF)
Noonan, B.P. & K.P. Wray. 2006. Neotropical Diversification: The effects of a complex history on diversity within the poison frog genus Dendrobates. Journal of Biogeography, 33(6): 1007-1022. (PDF)