[1] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA
[2] Univ Calif Berkeley, Museum Paleontol, Berkeley, CA 94720 USA
[3] Univ Calif Berkeley, Museum Vertebrate Zool, Berkeley, CA 94720 USA
[4] Stanford Univ, Dept Biol, Stanford, CA 94305 USA
[5] CSIC, Estn Biol Donana, Integrat Ecol Grp, Seville 41092, Spain
[6] TRU N Labs, Berkeley, CA 94705 USA
[7] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA
[8] Univ Helsinki, Dept Geosci & Geog, FI-00014 Helsinki, Finland
[9] Univ Helsinki, Finnish Museum Nat Hist, FI-00014 Helsinki, Finland
[10] Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA
[11] Univ Calif Berkeley, Energy & Resources Grp, Berkeley, CA 94720 USA
[12] Univ Calif Davis, Dept Environm Sci & Policy, Davis, CA 95616 USA
[13] Pontificia Univ Catolica Chile, Fac Ciencias Biol, Dept Ecol, Santiago, Chile
[14] Inst Ecol & Biodiversidad, Santiago, Chile
[15] Santa Fe Inst, Santa Fe, NM 87501 USA
[16] Pacific Ecoinformat & Computat Ecol Lab, Berkeley, CA 94703 USA
[17] Simon Fraser Univ, Dept Biol Sci, Burnaby, BC V5A 1S6, Canada
[18] Calif Acad Sci, San Francisco, CA 94118 USA
[19] Univ Calif Davis, Dept Geol, Davis, CA 95616 USA
[20] Univ Wisconsin, Dept Geog, Madison, WI 53706 USA
[21] Univ Calif San Francisco, Dept Biophys & Biochem, San Francisco, CA 94102 USA
[22] CSIC, Estn Biol Donana, Dept Conservat Biol, E-41092 Seville, Spain
[23] Missouri Bot Garden, Ctr Conservat & Sustainable Dev, St Louis, MO 63110 USA