Antarctic skua (catharacta antarctica) new island, falkland islands, in flight over the beach.

antarctica islands horizontals birds island animals horizontal stercorariidae wildlife islands movement sea beach catharacta beach bird vertebrate footprint wings antarctic coastal brown marking skuas flight beaches skua coast vertebrates island water coast new nature falkland skua tracks aves motion falklands marks zoology south footprints atlantic seabird track seas flying sand fauna animal