Ole Jorgen Liodden / Bounty shag (Phalacrocorax ranfurlyi) swimming near Bounty Island, Sub-Antarctic New Zealand, March. Vulnerable species.

Ole Jorgen Liodden / Bounty shag (Phalacrocorax ranfurlyi) swimming near Bounty Island, Sub-Antarctic New Zealand, March. Vulnerable species.

E.J. Peiker / Antarctic Shag (Phalacrocorax bransfieldensis) female calling on nest, Antarctica

E.J. Peiker / Guanay Cormorant (Phalacrocorax bougainvillii) pair at nest, Antarctica

Enrique Lopez-Tapia / Antarctic cormorant (Phalacrocorax bransfieldensis) flying over Drake Passage, Antarctica.

Matthias Breiter / Blue-eyed Cormorant (Phalacrocorax atriceps), Palmer Station, Antarctica

Brent Stephenson / Antarctic shag / Blue eyed cormorant (Phalacrocorax atriceps) rests on the water between dives, Paradise Bay, Antarctic Peninsula, Antarctica, December.

Brent Stephenson / Antarctic Shag (Leucocarbo / Phalacrocorax [atriceps] bransfieldensis) (also known as blue-eyed shag) pair at their nest with a large chick. Port Lockroy, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Antarctic Shag (Leucocarbo / Phalacrocorax [atriceps] bransfieldensis) (also known as blue-eyed shag) swiming in clear water. Petermann Island, Antarctic Peninsula, Antarctica, January.

Frederique Olivier / Blue eyed / Imperial shag / cormorant (Phalacrocorax atriceps) feeding chick, Macquarie Island, Southern Atlantic, Australian Antarctica, December

Frederique Olivier / Blue Eyed / Imperial shag / cormorant (Phalacrocorax atriceps) with young chick on nest, Macquarie Island, Southern Atlantic, Australian Antarctica, December

Frederique Olivier / Blue eyed shag / cormorant (Phalacrocorax atriceps) pair resting at nest with chick, Macquarie Island, Southern Atlantic, Australian Antarctica, December