VIGLIETTI, PIA, Negaunee Integrative Research Center, Field Museum of Natural History, 1400 S Lakeshore Drive, Chicago, IL 60605-2496, ROJAS, Alexis, Negaunee Integrative Research Center, Field Museum of Natural History, 1400 S Lakeshore Drive, Chicago, IL 60605-2496, Sweden, ROSVALL, Martin, Integrated Science Lab, Department of Physics, Umeå University, Umeå, SE-901 87, Sweden, DAVIS, Brady, Roosevelt University, 430 S Michigan Ave, Chicago, IL 60605 and ANGIELCZYK, Kenneth, Integrative Research Center, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605