Espen Bergersen / Northern fulmar (Fulmarus glacialis) in front of the Seljalandsfoss waterfall, Iceland. May

Espen Bergersen / Northern fulmars (Fulmarus glacialis) in flight over river, Iceland, May.

Nick Garbutt / Black-browed albatross (Thalassarche melanophris) flying over South Atlantic. Cooper Bay, South Georgia. November.

John Shaw / Black-browed albatross pair (Thalassarche melanophris) mutual grooming during copulation. New Island, Falkland Islands, November.

Jordi Chias / Wandering albatross (Diomedea exulans) flying on the open ocean, Drake passage, Antarctic Peninsula, Antarctica.

Sandesh Kadur / Pair of Waved albatrosses (Phoebastria irrorata) displaying, tapping beaks, Galapagos Islands, Ecuador.

David Tipling / Wandering albatross (Diomedea exulans) Southern Ocean near South Georgia, November

David Tipling / Snow petrel (Pagadroma nivea nivea) flying around Iceberg off South Georgia, Southern Ocean January

Tui De Roy / Short tailed albatross (Phoebastria albatrus) subadult with fish-hook and monofilament line embedded in throat. Tsubamezaki, Torishima Island, Japan. December.

Tui De Roy / Short tailed albatross (Phoebastria albatrus) subadults courting, one with fish-hook and monofilament line embedded in throat. Tsubamezaki, Torishima Island, Japan. December.

Tui De Roy / Waved albatross (Phoebastria irrorata) on nest, with fish hook in throat, Punta Suarez, Espanola Island, Galapagos.

Tui De Roy / Waved albatross (Phoebastria irrorata) group of three on nest, Punta Suarez, Espanola Island, Galapagos

Tui De Roy / Waved albatross (Phoebastria irrorata) pair in courtship display at nest site, Punta Suarez, Espanola Island, Galapagos

Terry Whittaker / Slow motion close-up of a large group of Fulmars (Fulmarus glacialis) feeding from a fish processing plant outfall, Grundafjordur, Iceland, March.

Tui De Roy / Atlantic yellow-nosed albatross (Thalassarche chlororhynchos). nesting amid Blechnum palmiforme tree ferns. Gough Island, Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic.

Tui De Roy / Atlantic yellow-nosed albatross (Thalassarche chlororhynchos) pair, Gough Island, Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic. Endangered.

Tui De Roy / Atlantic yellow-nosed albatross (Thalassarche chlororhynchos) courtship display sequence. Gough Island, Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic.

Claudio Contreras / Black-browed Albatross (Thalassarche melanophris) close up resting, West Point Island, Falkland Islands, October

Pal Hermansen / Fulmar (Fulmarus glacialis) flying with reflection on sea, Iceland, July.

David Tipling / Wandering albatross (Diomedea exulans) displaying to bird flying overhead on Albatross Island, South Georgia, January

David Tipling / Wandering albatross (Diomedea exulans) a pair displaying at dusk, Albatross Island, South Georgia January

David Tipling / Wandering albatross (Diomedea exulans) pair displaying at dusk in ritual bonding behaviour, Albatross Island in Bay of Isles, South Georgia January

Fred Olivier / Close-up of a Black browed albatross (Thalassarche melanophris) preening its chick, chick looks up panting, thermoregulating, West Point Island, Falkland Islands.

Fred Olivier / Tilt shot of a Black browed albatross (Thalassarche melanophris) with its chick on a nest, New Island, Falkland Islands.

Fred Olivier / Close-up of a pair of Black browed albatrosses (Thalassarche melanophris) mutual grooming, New Island, Falkland Islands.

Fred Olivier / Black browed albatross (Thalassarche melanophris) chick in nest, interacting with a Southern rockhopper penguin (Eudyptes chrysocome) chick, New Island, Falkland Islands.

Fred Olivier / Pair of Black browed albatrosses (Thalassarche melanophris) display bonding, touching beaks, New Island, Falkland Islands.

Luis Quinta / Great shearwater (Puffinus gravis) in flight, Fonte da Telha Beach, Portugal, October.

Luis Quinta / Great shearwater (Puffinus gravis) on ocean, near the Fonte da Telha Beach, Portugal, October.

Peter Bassett / Wandering albatross (Diomedea exulans) chick stretching its wings, Prion Island, South Georgia.

Brent Stephenson / Southern royal albatross (Diomedea epomophora) flying over sea, Off Stewart Island, New Zealand, November, Vulnerable species.

Brent Stephenson / Southern royal albatross (Diomedea epomophora) flying low over the sea, off Stewart Island, New Zealand, November, Vulnerable species.

Brent Stephenson / Northern giant petrel (Macronectes halli) moving through water, off Kaikoura, Canterbury, New Zealand, November.

Franco Banfi / Cory's shearwaters (Calonectris diomedea) diving among a mass of shoaling fish to feed, along with Atlantic spotted dolphins (Stenella frontalis), Formigas Islet dive site, Azores, Portugal, Atlantic...

Franco Banfi / Cory's shearwaters (Calonectris diomedea) diving among a mass of shoaling fish to feed, along with Atlantic spotted dolphins (Stenella frontalis), Formigas Islet dive site, Azores, Portugal, Atlantic...

Ernie Janes / Fulmar (Fulmaris glacialis) in flight with Hunstanton, Norfolk, England, UK, February.

Fred Olivier / Close-up of a Light-mantled sooty albatross (Phoebetria palpebrata) building its nest, Macquarie Island, Sub-Antarctic Australia.

Mark MacEwen / Northern royal albatross (Diomedea sanfordi), early pairing behaviour, Taiaroa Head, Otago Peninsula, New Zealand. Endangered.

Ole Jorgen Liodden / Waved albatross (Phoebastria irrorata) pair in courtship display, Espanola, Galapagos Islands. Critically endangered species.

Ole Jorgen Liodden / Light-mantled sooty albatross (Phoebetria palpebrata) in flight, Auckland Island, Sub-Antarctic New Zealand. February.

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), engaged in mating display. South Georgia Island, Southern Ocean.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), engaged in mating display. South Georgia Island, Southern Ocean.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), feeding and cleaning.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), feeding and cleaning.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), engaged in mating display. South Georgia Island, Southern Ocean.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans) flying off coast of South Georgia Island.