We want to thank all of the people who have contributed to the collection of thermal data from the ponds and the captureof tadpoles for their efforts, especially to Jesús Díaz, David Donaire and Urtzi Enriquez, and Ricardo Reques in Spain and Amanda Santiago, Iuri Ribeiro and Danilo Ruas in Brazil. Special thanks to Antonio Correia Freire, for his help and logisticat the Contendas do Sincorá FLONA reserve. Bahia, Brazil. Alejandro González-Voyer helped us with phylogenetic analyses and statistical considerations. We thank R.A. Pyron whokindly provided us the code of his phylogenetic tree. TheCMAOT of JJAA granted the permits for conducting theexperiments (Ref. 12_44-Tejedo). This study was supported bythe Spanish MICINN grant (CGL2009-12767-C02-02) and MINECO award (CGL2012-40246-C02-01) to M. Tejedo anda grant from the Ministerio de Ciencia e Innovación (BES-2010-032912) to L.M. Gutiérrez-Pesquera.