1. BirdLife International; Cambridge UK
2. British Antarctic Survey; Natural Environment Research Council; Cambridge UK
3. Environmental Research & Assessment (ERA); Cambridge UK
4. Centre for Ecology and Conservation; University of Exeter; Penryn, Cornwall UK
5. Antarctic Ecosystem Research Division; Southwest Fisheries Science Center; National Marine Fisheries Service; National Oceanic and Atmospheric Administration; La Jolla California
6. Division of Polar Life Sciences; Korea Polar Research Institute; Incheon Korea
7. National Institute of Polar Research; Tachikawa Japan
8. Faculty of Science & Technology; Anglia Ruskin University; Cambridge UK
9. Departamento Biología de Predadores Tope; Instituto Antártico Argentino; Buenos Aires Argentina