About the Authors

José P. Granadeiro

jpgranadeiro@fc.ul.pt

Affiliation CESAM, Museu Nacional de História Natural, Universidade de Lisboa, Lisboa, Portugal

Richard A. Phillips

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

Paul Brickle

Affiliation Falkland Islands Government, Directorate of Natural Resources, Fisheries Department, Stanley, Falkland Islands

Paulo Catry

Affiliation Eco-Ethology Research Unit, ISPA, Lisboa, Portugal

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PC JPG. Performed the experiments: JPG PC. Analyzed the data: JPG PC. Contributed reagents/materials/analysis tools: PC JPG RAP PB. Wrote the paper: PC JPG RAP PB.