Ingo Arndt / Blue eyed shag / South Georgia cormorant (Phalacrocorax atriceps georgianus) in flight carrying nesting material, South Georgia, February

Heike Odermatt / Blue-eyed Cormorant (Phalacrocorax atriceps), Sea Lion Island, Falkland Islands

Heike Odermatt / Blue-eyed Cormorant (Phalacrocorax atriceps) pair, Sea Lion Island, Falkland Islands

Heike Odermatt / Blue-eyed Cormorant (Phalacrocorax atriceps) spreading wings over nest, Sea Lion Island, Falkland Islands

Brent Stephenson / Imperial shag (Phalacrocorax atriceps bransfieldensis) portrait, swimming at sea, Port Lockroy, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Imperial shag (Phalacrocorax atriceps atriceps) pair courting at their nest site, Saunders Island, Falkland Islands, South Atlantic, December.

Brent Stephenson / Imperial shag (Phalacrocorax atriceps atriceps) pair courting at their nest site, male presenting nesting material, Saunders Island, Falkland Islands, South Atlantic, December.

Brent Stephenson / Imperial shag (Phalacrocorax atriceps atriceps) pair courting at their nest site, Saunders Island, Falkland Islands, South Atlantic, December.

Brent Stephenson / Imperial shag (Phalacrocorax atriceps atriceps) landing, Saunders Island, Falkland Islands, South Atlantic, December.

Sean Crane / Blue-eyed Cormorant (Phalacrocorax atriceps) flying, Sea Lion Island, Falkland Islands

Sean Crane / Blue-eyed Cormorant (Phalacrocorax atriceps) pair at nest in rookery, Sea Lion Island, Falkland Islands

Sean Crane / Blue-eyed Cormorant (Phalacrocorax atriceps)landing at colony, Sea Lion Island, Falkland Islands