Adult brown Skua (Catharacta antarctica), in flight near the Antarctic peninsula in the Southern Ocean, Antarctica, Polar Regions

catharacta antarctica flight antarctic peninsula southern ocean antarctica polar regions seabird birdwatching wildlife nature avian marine ecosystem coastal migration natural habitat aerial feeding scavenger pelagic behavior ecology biodiversity environment conservation ornithology ecosystems atmosphere sky blue feathered predatory coastal regions wildlife observation animal behavior flight pattern southern hemisphere nesting foraging habitat wing span flight dynamics bird species avifauna bird identification oceanic marine life natural beauty nature lovers marine birds