1. Department of Biology, University of Oxford, Oxford OX1 3SZ, United Kingdom
2. Institut für Vogelforschung “Vogelwarte Helgoland”, Wilhelmshaven 26386, Germany
3. Programa Marino, Sociedad Española de Ornitología/BirdLife, Delegació de Catalunya, Barcelona 08026, Spain
4. National Oceanography Centre–Southampton, Southampton SO14 3ZH, United Kingdom
5. Earth Ocean and Ecological Sciences, School of Environmental Sciences, University of Liverpool, Liverpool L69 3GP, United Kingdom
6. School of Ocean Sciences, College of Science and Engineering, Bangor University, Menai Bridge LL59 5AB, United Kingdom
7. Iniciativa de Recerca de la Biodiversitat de les Illes, Alaior, Balearic Islands 07730, Spain
8. Centre d’Etudes Biologiques de Chizé, Laboratoire des Sciences de l'Environnement Marin, UMR 7372, Centre National de la Recherche Scientifique, Villiers en Bois 79360, France
9. AZTI, Marine Research, Basque Research and Technology Alliance, Pasaia 20110, Spain
10. British Geological Survey, Wallingford OX10 8ED, United Kingdom
11. Grupo Biogeografía, geodinámica y sedimentación del Mediterráneo occidental, Ciències i Tecnologies Mediambientals, Universitat de les Illes Balears, Palma, Balearic Islands E07122, Spain
12. Ligue pour la Protection des Oiseaux, BirdLife International Partner in France, Rochefort Cedex 17305, France
13. Royal Society for the Protection of Birds, Ramsey Island, St. Davids, Pembrokeshire SA62 6PY, United Kingdom