1. Debrecen Biodiversity Research Centre, University of Debrecen, Debrecen, Hungary
2. Bird Ecology Lab, Instituto de Ciencias Marinas y Limnológicas, Universidad Austral de Chile, Valdivia, Los Ríos, Chile
3. Centro de Humedales Río Cruces (CEHUM), Universidad Austral de Chile, Valdivia, Los Ríos, Chile
4. Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Chile
5. Milner Centre for Evolution, Department of Biology and Biochemistry, University of Bath, Bath, UK