Sex Biases in Avian Dispersal: A Reappraisal Clarke, Alice L. ; Sæther, Bernt-Erik ; Røskaft, Eivin ; Saether, Bernt-Erik ; Roskaft, Eivin Abstract Publication: Oikos Pub Date: September 1997 DOI: 10.2307/3546885 Bibcode: 1997Oikos..79..429C