About the Authors

Raül Ramos

ramos@ub.edu

Affiliation Departament Biologia Animal (Vertebrats), Universitat de Barcelona, Barcelona, Spain

Jacob González-Solís

Affiliations Departament Biologia Animal (Vertebrats), Universitat de Barcelona, Barcelona, Spain, British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom

John P. Croxall

Affiliation British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom

Daniel Oro

Affiliation Instituto Mediterráneo de Estudios Avanzados (IMEDEA), CSIC-UIB, Mallorca, Spain

Xavier Ruiz

† Deceased.

Affiliation Departament Biologia Animal (Vertebrats), Universitat de Barcelona, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JGS XR. Performed the experiments: RR JGS DO. Analyzed the data: RR JGS. Contributed reagents/materials/analysis tools: JGS JPC DO XR. Wrote the paper: RR JGS JPC DO.