[1
]Biogeography, Diversity and Conservation Research Team, Department of Animal Biology,
Faculty of Sciences; Universidad de Málaga; Málaga Spain
[2
]Behavioural and Evolutionary Ecology Unit; Museu de Ciències Naturals de Barcelona;
Barcelona Spain
[3
]Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark;
University of Copenhagen; Copenhagen Denmark
[4
]Terrestrial Ecology Unit, Department of Biology; Ghent University; Ghent Belgium
[5
]Dipartimento di Scienze della Vita; Università degli Studi di Siena; Siena Italy
[6
]Wildlife Research Unit, Dipartimento di Agraria, Università degli Studi di Napoli
Federico II; Naples Italy
[7
]CIBIO/InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Campus
Agrário de Vairão; Universidade do Porto; Porto Portugal
[8
]Hellenic Ornithological Society; Athens Greece
[9
]Dipartimento di Biologia; Università degli Studi di Firenze; Florence Italy
[10
]Institut de Biologia Evolutiva (CSIC-Universitat Pompeu Fabra); Barcelona Spain
[11
]Department of Biology, Institute of Pharmacy and Molecular Biotechnology; Heidelberg
University; Heidelberg Germany
[12
]National Wildlife Management Centre, Animal and Plant Health Agency; York UK
[13
]Centro de Ecologia Aplicada ‘Professor Baeta Neves’/InBIO, Instituto Superior de Agronomia;
Universidade de Lisboa; Lisbon Portugal
[14
]Départment Études, NGO Natagora; Namur Belgium