Conservation biology Fitness Southern Ocean Depredation Antarctic Disease ecology Foraging behavior Southern elephant seal Kerguelen Behaviour Crozet Sea ice Movement ecology Penguins Biodiversity Changement climatique Albatrosses Southern Indian Ocean Marine spatial planning Cold tolerance Dispersal Monetary impacts Body condition Biologging GPS Climate change Svalbard Diatoms Abundance Stress Fish Poisson Energy expenditure Antarctica Bio-logging Accelerometry Reproduction Ecology Area-restricted search Foraging ecology Subantarctic Biological invasion Tracking Arctic Foraging behaviour Mercury Sea trout Seabirds Killer whales Metabolism Individual quality Birds Recovery Sexual selection Age Blood Behavioural ecology Corticosterone Activity Salmo trutta Metabolomics Morphology Acclimation Pygoscelis adeliae Seabird Prolactin Conservation InvaCost Ontogeny Activity pattern Breeding success Global change Population dynamics Fisheries Personality Demography Procellariiformes Diet Salmonids Diomedea exulans Insect Petrels Ageing Mirounga leonina Biological invasions Capture–mark–recapture Cold stress Bioaccumulation Mate choice Distribution Oxidative stress Diving behaviour Black-legged kittiwake Salmonidae Foraging Survival Stable isotopes ACL Migration Phenotypic plasticity