[1] Tufts Univ, Dept Biol, Medford, MA 02155 USA
[2] Univ Montana, Sch Forestry, Wildlife Biol Program, Missoula, MT 59812 USA
[3] Purdue Univ, Dept Forestry & Nat Resources, W Lafayette, IN 47907 USA
[4] Archbold Biol Stn, Lake Placid, FL 33862 USA
[5] Forestry Sci Lab, Missoula, MT 59807 USA
[6] Univ Arizona, Tucson, AZ 85721 USA
[7] Univ Calif Berkeley, Ecosyst Sci Div, Berkeley, CA 94720 USA
[8] CNRS, Ctr Ecol Fonct & Evolut, F-34293 Montpellier 05, France
[9] Conservat Breeding Specialist Grp, Apple Valley, MN 55124 USA