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