Adult kelp gull (Larus dominicanus), nesting on lichen covered rocks on Half Moon Island in Antarctica, Southern Ocean, Polar Regions

kelp gull larus dominicanus nesting lichen rocks antarctica southern ocean polar regions seabird wildlife marine nature birdwatching habitat conservation biodiversity ecosystem coastal cliff summer adult juvenile breeding migration fauna ice snow ocean shore shorebird ecology ornithology avian natural environment food source nesting behavior cliffside predation territorial flight aquatic foraging scavenger social behavior animal behavior animal kingdom island ecosystem subantarctic southern hemisphere natural habitat