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