Dead southern elephant seal (Mirounga leonina) pup being eaten by an Antarctic skua on South Georgia Island, Southern Ocean

Adult great skua (Stercorarius skua) with recent kill in the Svalbard Archipelago, Norway, Arctic, Europe

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

Adelie penguin (Pygoscelis adeliae) adult defending chick against a skua on Torgersen Island, Antarctica, Polar Regions

An adult brown skua (Catharacta antarctica) feeding on a dead elephant seal pup at St. Andrews Bay, South Georgia

Adult Arctic skua (Stercorarius parasiticus) in flight in the Svalbard Archipelago, Norway

Adult great skua (Stercorarius skua) being harassed by Arctic terns (Sterna paradisaea) guarding their nest sites, Svalbard, Norway

Adelie penguin (Pygoscelis adeliae) adult defending chick against a skua on Torgersen Island, Antarctica, Polar Regions

Southern elephant seal (Mirounga leonina) pup lips being probed by a brown skua (Catharacta lonnbergi), South Georgia, Polar Regions

Pair of Skua's (Catharacta sp.) attacking and killing chinstrap penguin, Deception Island, Antarctica, Southern Ocean.

Preying on Gentoo Penguins (Pygoscelis papua) hovering over colony.. Falkland Skua or Brown Skua (Stercorarius antarcticus, exact taxonomy is under dispute). They are the great skuas of the southern polar and subpolar region. South America, Falkland Islands, January

Falkland Skua or Brown Skua (Stercorarius antarcticus, exact taxonomy is under dispute). They are the great skuas of the southern polar and subpolar region. South America, Falkland Islands, January

Southern skua and chick on ground, Falkland Islands

Southern skua chick on ground, Falkland Islands

Southern skua and chick on ground, Falkland Islands