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