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