Adult South Georgia pipit (Anthus antarcticus) feeding at low tide on Prion Island, Bay of Isles, South Georgia, Polar Regions

anthus antarcticus feeding low tide prion island polar regions birdwatching wildlife seabird nature foraging rocky shore seaweed adult bird coastal environment habitat ocean marine life behavior biodiversity conservation ecology avian species shorebird native fauna expedition exploration south atlantic outdoor animal behavior animal habitats natural habitat feeding habits migratory birds endemic species biodiversity hotspot ecological study avifauna terrestrial ecosystem bird identification ornithology wildlife observation island ecosystems coastal ecology food sources rock formations