Antarctic tern (Sterna vittata), feeding in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions

sterna vittata feeding enterprise islands antarctica southern ocean polar regions birdwatching wildlife nature marine seabird fish hunting natural habitat ecology biodiversity avian seagull arctic behavior water aerial prey migratory birds conservation environment aquatic ocean coastline species red bill flight landscape natural world survival observation tourism research cold climate adaptation ecosystem underwater wings exploration biology animal behavior feeding strategy wildlife reserves terns pelagic birds