Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

elephant seal scavenging royal harbor south georgia wildlife competition seabird marine life pup coastal feeding nature behavior animal interaction bird watching shore habitat predator prey ocean environment ecology scavenger landscape seabirds territory tussle conflict frenzy physical struggle shorelines natural ecosystem conservation area island avian animals observation atlantic subantarctic rights ecological