Developmental stability and ideal despotic distribution of blackbirds in a patchy environment [Tardus merula, asymmetry]

aile alas animal developmental stages animal ecology biological competition blackbirds danemark denmark dimension dimensions dinamarca distribution des populations ecologia animal environmental factors etapas del desarrollo animal facteur du milieu factores ambientales farmland habitat habitats landscape merle mirlo mortalidad mortalite mortality paisaje paysage performance de reproduction population distribution queue reproductive performance reproductividad tail terre agricole wings