[1] Univ London Imperial Coll Sci Technol & Med, Div Biol, Ascot SL5 7PY, Berks, England
[2] Univ London Imperial Coll Sci Technol & Med, Ctr Populat Biol, Ascot SL5 7PY, Berks, England
[3] Univ Lyon 1, Unite Mixte Rech 5558, Lab Biometrie & Biol Evolut, F-69622 Villeurbanne, France
[4] Stanford Univ, Stanford, CA 94305 USA
[5] Univ Helsinki, Ecol Genet Res Unit, Dept Biol & Environm Sci, FIN-00014 Helsinki, Finland
[6] Univ Kansas, Dept Ecol & Evolutionary Biol, Lawrence, KS 66045 USA
[7] Inst Vogelforsch Vogelwarte Helgoland, D-26386 Wilhelmshaven, Germany
[8] Univ Glasgow, Div Environm & Evolutionary Biol, Glasgow G12 8QQ, Lanark, Scotland
[9] Univ Helsinki, Bird Ecol Unit, Dept Biol & Environm Sci, FIN-00014 Helsinki, Finland
[10] Univ Oxford, Dept Zool, Edward Grey Inst, Oxford OX1 3PS, England
[11] CNRS, Ctr Ecol Fonct & Evolut, UMR 5175, F-34293 Montpellier 5, France
[12] Ctr Int Rech Med Franceville, Unite Genet Ecosyst Tropicaux, Franceville, Gabon
[13] Univ Cambridge, Dept Zool, Cambridge CB2 3EJ, England
[14] Auburn Univ, Dept Zool, Auburn, AL 36849 USA
[15] Univ Sherbrooke, Dept Biol, Sherbrooke, PQ J1K 2R1, Canada
[16] Uppsala Univ, Div Anim Ecol, Dept Ecol & Evolut, Evolutionary Biol Ctr, SE-75236 Uppsala, Sweden
[17] Norwegian Univ Sci & Technol, Dept Biol, N-7491 Trondheim, Norway
[18] Univ Neuchatel, Inst Zool, CH-2009 Neuchatel, Switzerland
[19] Univ Reading, CAER, Sch Agriculture Policy & Dev, Reading RG6 6AR, Berks, England
[20] Univ Florida, Dept Wildlife Ecol & Conservat, Gainesville, FL 32611 USA
[21] Univ Edinburgh, Ashworth Labs, Inst Evolutionary Biol, Edinburgh EH9 3JT, Midlothian, Scotland
[22] Univ Lausanne, Dept Ecol & Evolut, CH-1015 Lausanne, Switzerland
[23] Univ Cambridge, Dept Biol Anthropol, Cambridge CB2 3DZ, England
[24] CNRS, Ctr Etud Biol Chize, F-79360 Villiers En Bois, France
[25] Univ Aberdeen, Sch Biol Sci, Lighthouse Field Stn, Cromarty IV11 8YJ, Ross, Scotland
[26] Durrell Wildlife Conservat Trust, Trinity, Jersey, England