1. Marine and Environmental Science Centre MARE, Dept of Life Sciences, Faculty of Science and Technology, Univ. of Coimbra; Portugal
2. Inst. Nacional de Ciência e Tecnologia Antártico de Pesquisas Ambientais INCT-APA; Brasil
3. Centre d'Ecologie Fonctionnelle et Evolutive, UMR 5175, CNRS - Univ. de Montpellier - Univ. Paul-Valéry Montpellier ߝ EPHE; Montpellier France
4. Dept of Animal Biology, Faculty of Biology; Univ. of Barcelona; Spain
5. Laboratório de Ornitologia e Animais Marinhos, Univ. do Vale do Rio dos Sinos; São Leopoldo Brasil
6. British Antarctic Survey, Natural Environment Research Council; Cambridge UK
7. Percy FitzPatrick Inst. of African Ornithology, DST-NRF Centre of Excellence, Univ. of Cape Town; Rondebosch South Africa
8. Seabird Conservation Programme, BirdLife South Africa; Johannesburg South Africa