Phenotypic trajectories during the evolution of hybrid lineages : the case of Oophaga histrionica and Oophaga lehmanni

"Phenotypic variation is common on an inter- and intraspecific level among poison frogs (Dendrobatidae) and is the starting point for selective and non-selective forces to act upon. Hybridization between two species can result in an increase of the initial phenotypic variation, even though it i...