Adult Subantarctic Skua (Catharacta antarctica lonnbergi) cleaning itself in glacier run off at Stromness Bay, South Georgia, Polar Regions

adult skua subantarctic skua cleaning behavior glacier run off stromness bay south georgia polar regions wildlife bird seabird feathers plumage water bathing nature environment habitat coastal marine animal behavior ecology conservation avian ornithology aquatic foraging subantarctic ecosystem glaciers mountains ocean flight wings splashes summer spring feeding coastline migration territorial nesting scavenger ecosystem health biodiversity predator prey adaptation natural beauty remote regions exploration