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Selection and geographic isolation influence hummingbird speciation: genetic, acoustic and morphological divergence in the wedge-tailed sabrewing (Campylopterus curvipennis)

Clementina González, Juan Francisco Ornelas* and Carla Gutiérrez-Rodríguez

BMC Evolutionary Biology 2011, 11:38  doi:10.1186/1471-2148-11-38