1. Fish Ecology and Conservation Physiology Laboratory, Department of Biology; Carleton University; 1125 Colonel By Drive Ottawa ON K1S 5B6 Canada
2. Max Plank Institute for Ornithology; Department of Migration and Immuno-ecology; Am Obstberg 1D-78315 Radolfzell Germany
3. University of Konstanz, Department of Biology; 78457 Konstanz Germany
4. Swansea Lab for Animal Movement, Biosciences, College of Science; Swansea University; Singleton Park Swansea, Wales SA2 8PP United Kingdom