| Institution: | Department of Biology, University of Missouri-St. Louis, 1 University Drive, St. Louis, MO 63121, USA,;Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands,;Department of Biology, Kenyon College, Gambier, OH 43022, USA,;Center for Isotope Research, University of Groningen, Nijenborgh 4, 9747 AG Groningen, the Netherlands, and Behavioral Biology, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands,;Department of Ecology, Evolution, and Organismal Biology, Ohio State University, 318 W 12th Ave, Columbus, OH 43210, USA |
