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    • Geographic mode of speciation in a mountain specialist avian family endemic to the Palearctic 

      Drovetski, Sergei V.; Semenov, Georgy; Drovetskaya, Sofya S.; Fadeev, Igor V.; Red'kin, Yaroslav A.; Voelker, Gary (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      Mountains host greater avian diversity than lowlands at the same latitude due to their greater diversity of habitats stratified along an elevation gradient. Here we test whether this greater ecological heterogeneity promotes sympatric speciation. We selected accentors (Prunellidae), an avian family associated with mountains of the Palearctic, as a model system. Accentors differ in their habitat/elevation ...