Adult female leopard seal (Hydrurga leptonyx) killing and eating a juvenile Adelie penguin at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions

leopard seal adelie penguin hunting predator prey antarctic polar region marine life wildlife nature ice brown bluff seal penguin carnivore ecosystem survival aquatic animal behavior feeding ocean antarctica cold climate seal behavior penguin behavior marine ecosystem natural selection adaptation food chain winter hunting strategy seal diet bird juvenile apex predator wildlife observation wildlife conservation animal predation underwater feeding habits natural habitat ice floes wildlife protection ecological balance nature documentary