Mike Read / Rock shag (Phalacrocorax magellanicus) at nesting colony on cliff face, Saunders Island, Falkland Islands. December.

Roy Mangersnes / Rock shag (Phalacrocorax magellanicus) coming in to the nest with nesting material. Gypsy Cove, Falkland Islands.

Frederique Olivier / Wide angle shot of a Magellan cormorant (Phalacrocorax magellanicus) breeding site, with chicks and adults on nest ledges, Gypsy Cove, Stanley, Falkland Islands.

Frederique Olivier / Two Magellan cormorant (Phalacrocorax magellanicus) chicks preening on a nest ledge, with an adult resting nearby, Gypsy Cove, Stanley, Falkland Islands.

Frederique Olivier / Tilt shot of a Magellan cormorant (Phalacrocorax magellanicus) preening its chick to another begging for food, Gypsy Cove, Stanley, Falkland Islands.

Frederique Olivier / Magellan cormorant (Phalacrocorax magellanicus) feeding chick, Gypsy Cove, Stanley, Falkland Islands.

Frederique Olivier / Black browed albatross (Thalassarche melanophris) incubating its chick on a nest, pecking at a passing Rock cormorant (Phalacrocorax magellanicus), New Island, Falkland Islands.

Frederique Olivier / Black browed albatross (Thalassarche melanophris) at nest, preening its chick, with Southern rockhopper penguins (Eudyptes chrysocome) and Rock cormorants (Phalacrocorax magellanicus) in the backgroun...

Frederique Olivier / Flock of Peruvian pelicans (Pelecanus thagus) flying past a group of Magellan cormorants (Phalacrocorax magellanicus) perched on rocks, Isla Lobos de Terra, Peru.

Brent Stephenson / Rock shag (Phalacrocorax magellanicus) portrait, Carcass Island, Falkland Islands, South Atlantic, December.

Ole Jorgen Liodden / Rock shag (Phalacrocorax magellanicus) nesting colony on cliffs, Ushuaia, Argentina, February.

Gabriel Rojo / Magellan cormorant / Rock shag (Phalacrocorax magellanicus) stretching wings, Ria de Puerto Deseado Nature Reserve, Santa Cruz Province, Patagonia, Argentina, December