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