Skuas (Catharacta antarctica) and female southern elephant seal with newborn pup near abandoned whaling station, Stromness Bay, South Georgia

skuas elephant seal newborn pup afterbirth beach south georgia wildlife competition natural behavior seabirds marine mammals feeding nesting coastal ecosystem animal interaction scavenging shore habitat predators winter atlantic conservation nature catharacta antarctica colony biodiversity ecology altercation mammal bird predator prey environment survival species coast reserve encounter life nursing activity observation