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