Animal migration Sea trout Depredation Salmonids InvaCost Breeding success Birds Seabirds Metabolism Foraging behaviour Ecology Metabolomics Management Svalbard Fish Stress Black-legged kittiwake Seabird Pygoscelis adeliae Mercury Diving behaviour Wandering albatross Movement ecology Mate choice Biological invasion Sea ice Tracking Energetics Reproduction Oxidative stress Contaminants Accelerometry Antarctica Personality Salmo trutta Corticosterone Global change Conservation Southern Ocean Disease ecology Monetary impacts Cold stress PFAS Antarctic Functional traits Foraging behavior Body condition Fitness Diving behavior Energy expenditure Phenotypic plasticity Rissa tridactyla Conservation biology Salmonidae Biologging Sexual selection Foraging ecology Ecophysiology Stable isotopes Albatrosses Southern Indian Ocean Mitochondria Southern elephant seal Marine spatial planning Age Poisson Kerguelen Procellariiformes Insect Diomedea exulans Biological invasions Mirounga leonina Morphology Capture–mark–recapture Fisheries Population dynamics Blood Bio-logging Migration Abundance ACL Individual quality Dispersal GPS Killer whales Behavioural ecology Trace elements Bioaccumulation Thyroid hormones Diet Geolocation Foraging Survival Demography Ageing Distribution Invasive species Biodiversity Arctic Climate change