Martijn van de Pol*, Bruno J. Ens, Dik Heg, Lyanne Brouwer, Johan Krol, Martin Maier, Klaus-Michael Exo, Kees Oosterbeek, Tamar Lok, Corine M. Eising and Kees Koffijberg Evolution, Ecology & Genetics, Research School of Biology, the Australian National University, Canberra O200 ACT, Australia; Centre for Conservation Biology, Norwegian University of Science and Technology, Trondheim, DU1-184, N...