Authors: Bernt-Erik Saether; Steinar Engen; Anders Pape Møller; Erik Matthysen; Frank Adriaensen; Wolfgang Fiedler; Agu Leivits; Marcel M Lambrechts; Marcel E Visser; Tycho Anker-Nilssen; Christiaan Both; André A Dhondt; Robin H McCleery; John McMeeking; Jamie Potti; Ole Wiggo Røstad; David Thomson Journal: Proc Biol Sci Date: 2003-11-22 Impact factor: 5.349