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