Tui De Roy / Royal Penguin (Eudyptes schlegeli) group walking to colony past Macquarie Island Cabbage (Stilbocarpa polaris) both endemic to Macquarie Island, Australia

Tui De Roy / Blue-footed Booby (Sula nebouxii) pair overlooking nesting colony, Punta Vicente, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / King Penguin (Aptenodytes patagonicus) group underwater, offshore from breeding colony, Macquarie Island, sub-Antarctica Australia

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group tobogganing across vast distance of fast ice to nesting rookery, Kloa Point, Edward VIII Gulf, Antarctica

Tui De Roy / King Penguin (Aptenodytes patagonicus) group swimming underwater offshore from breeding colony, Macquarie Island, sub-Antarctica Australia

Tui De Roy / King Penguin (Aptenodytes patagonicus) group swimming underwater offshore from breeding colony, Macquarie Island, sub-Antarctica Australia

Mark Jones / Adelie Penguin (Pygoscelis adeliae) adult, Ross Sea, Antarctica

Tui De Roy / Adelie Penguin (Pygoscelis adeliae) nesting colony on granite outcrop, Petermann Island, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group, near Ekstrom Ice Shelf, Weddell Sea, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) large rookery on sea ice, Atka Bay, Princess Martha Coast, Weddell Sea, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group, near Ekstrom Ice Shelf, Weddell Sea, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) pair with chick, near Ekstrom Ice Shelf, Princess Martha Coast, Weddell Sea, Antarctica

Mitsuaki Iwago / Australian Gannet (Morus serrator) nesting colony, Australia

Mitsuaki Iwago / Australian Gannet (Morus serrator) nesting colony, Australia

Tui De Roy / Campbell Albatross (Thalassarche impavida) pair at Bull Rock, North Cape Colony, Campbell Island, New Zealand

Tui De Roy / Campbell Albatross (Thalassarche impavida) coming in to land, Bull Rock, North Cape Colony, Campbell Island, New Zealand

Staffan Widstrand / Kittiwake colony (Rissa tridactyla) on cliffs, Syltefjordstauran, Varanger peninsula, Arctic Norway

Staffan Widstrand / Kittiwake colony (Rissa tridactyla) on cliffs, Syltefjordstauran, Varanger peninsula, Arctic Norway

Staffan Widstrand / Kittiwake colony (Rissa tridactyla) on cliffs, Syltefjordstauran, Varanger peninsula, Arctic Norway

Heike Odermatt / Brunnich's Guillemot (Uria lomvia) nesting colony on cliff, Alkefjellet, Hinlopen Strait, Svalbard, Norway

Terry Whittaker / Man being lowered down cliff to collect seabird eggs including those of Common murre/ guillemot (Uria aalge) and Black-legged kittiwake (Rissa tridactyla). Gannet (Morus bassanus) colony on opposite c...

Nick Garbutt / King penguin (Aptenodytes patagonicus) breeding colony with adults and juveniles. Salisbury Plain, South Georgia. November.

Nick Garbutt / King penguin (Aptenodytes patagonicus), Antarctic fur seal (Arctocephalus gazella) and Southern elephant seal (Mirounga leonina), many on beach. Salisbury Plain, South Georgia. November 2018.

Nick Garbutt / King penguins (Aptenodytes patagonicus) breeding colony with adults and juveniles, snowy mountains in background. Salisbury Plain, South Georgia. November 2018.

Nick Garbutt / King penguin (Aptenodytes patagonicus) group following each other in line, returning to sea, Southern elephant seal (Mirounga leonina) colony in background. St Andrews Bay, South Georgia. November 201...

Nick Garbutt / Southern elephant seal (Mirounga leonina), two males, equally matched with mouths open in aggression. Out of focus King penguin (Aptenodytes patagonicus) colony in background. Gold Harbour, South Geor...

Gabriel Rojo / Gentoo penguin (Pygoscelis papua) breeding colony amongst cliffs. Hannah Point, Livingston Island, South Shetlands, Antarctica. January 2006.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) with its chick under the Southern Lights, Aurora australis, Atka Bay, Antarctica. September.

Terry Whittaker / Common murre / guillemot (Uria aalge) breeding colony on cliff edge. Langanes Peninsula, northeast Iceland. May.

Terry Whittaker / Man being lowered down cliff to collect seabird eggs including those of Black-legged kittiwake (Rissa tridactyla). Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland. May 2018.

Terry Whittaker / Common murre / guillemot (Uria aalge) four in breeding colony, eggs exposed on rock surface. Langanes Peninsula, northeast Iceland. May.

Terry Whittaker / Man harvesting eggs in Black-legged kittiwake (Rissa tridactyla) colony, on steep cliff face. Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland. May 2018.

Terry Whittaker / Man being lowered down cliff to collect seabird eggs including those of Black-legged kittiwake (Rissa tridactyla) and Common murre / guillemot (Uria aalge). Skoruvikurbjarg cliffs, Langanes Peninsula,...

Terry Whittaker / Common murre / guillemot (Uria aalge) breeding colony. Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland. May.

JIM CLARE / Humboldt penguin (Spheniscus humboldti) walking back to nest colony, with guanay cormorants in the background. Punta San Juan, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru.

JIM CLARE / Humboldt penguins, (Spheniscus humboldti) with South American fur seals (Arctocephalus australis) colony in distance . Punta San Juan, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru.

JIM CLARE / Humboldt penguins (Spheniscus humboldti) dirty after digging nest burrows leave their nest colony to bathe. Punta San Juan, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru.

JIM CLARE / Humboldt penguins, (Spheniscus humboldti), nesting colony, with some artificial nests for research and conservation. Punta San Juan, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru.

JIM CLARE / Humboldt penguin, (Spheniscus humboldti) chick at colony. Punta San Juan, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru.

JIM CLARE / Humboldt penguin, (Spheniscus humboldti) chick at colony. Punta San Juan, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru.

John Chan / Elegant terns (Thalasseus elegans) courting in breeding colony, Southern California, USA, April.

John Chan / Elegant terns (Thalasseus elegans) courting in breeding colony, Southern California, USA, April.

Doug Gimesy / Earthcare St Kilda volunteer picking up litter from rocks around Little penguin (Eudyptula minor) breeding colony. St Kilda breakwater, Melbourne, Victoria, Australia. February 2018. Model released.

Doug Gimesy / Earthcare St Kilda volunteer on jetty with items from litter pick around Little penguin (Eudyptula minor) breeding colony. Litter includes fishing bait bags, plastic bags, fishing lines, coffee cups a...

Doug Gimesy / Rubbish found by one volunter during monthly Little penguin (Eudyptula minor) colony nesting clean up. St Kilda breakwater, Melbourne, Victoria, Australia. 2018.

Duncan Murrell / Australasian gannet (Morus serrator) flying over the breeding colony at Cape Kidnappers, Hawke's Bay, North Island, New Zealand.

Duncan Murrell / Australasian gannet (Morus serrator) male returning to the breeding colony at Cape Kidnappers, Hawke's Bay, North Island, New Zealand with seaweed for nest-building.

Duncan Murrell / Australasian gannet (Morus serrator) male returning to the breeding colony with seaweed for nest-building. Cape Kidnappers, Hawke's Bay, North Island, New Zealand

Duncan Murrell / Australasian gannet (Morus serrator) male returning to the breeding colony with seaweed for nest-building. Cape Kidnappers, Hawke's Bay, North Island, New Zealand

Duncan Murrell / Australasian gannet (Morus serrator) male returning to the breeding colony with seaweed for nest-building. Cape Kidnappers, Hawke's Bay, North Island, New Zealand

Duncan Murrell / Breeding colony of Australasian gannets (Morus serrator) at Cape Kidnappers, Hawke's Bay, North Island, New Zealand.

Duncan Murrell / Breeding colony of Australasian gannets (Morus serrator) at Cape Kidnappers, Hawke's Bay, North Island, New Zealand.

David Woodfall / Scientist measuring Little tern (Sterna albifrons) chick in climate change research. Kilcoole Little tern colony, Republic of Ireland, June.

David Woodfall / Scientist measuring Little tern (Sterna albifrons) chick in climate change research. Kilcoole Little tern colony, Republic of Ireland, June.

David Woodfall / Bird hide, created by Birdwatch Ireland to study and monitor Little tern (Sterna albifrons) colony, indicator species of climate change. County Wicklow, Republic of Ireland. June.

SCOTLAND: The Big Picture / Gannet (Morus bassanus) nesting colony at Hermaness, Shetland, Scotland, UK, September.

Terry Whittaker / Gannets mating (Morus bassanus) at nesting colony on Skoruvikurbjarg cliffs above rough sea, Langanes Peninsula Northeast Iceland. May.

Terry Whittaker / Gannets (Morus bassanus) bringing seaweed to mate at nest in colony on Skoruvikurbjarg cliffs, above rough sea, Langanes Peninsula, Northeast Iceland. May.

Terry Whittaker / Gannets (Morus bassanus) flying from nesting colony on Skoruvikurbjarg cliffs above rough sea, Langanes Peninsula, Northeast Iceland. May.

Terry Whittaker / Common murre or common guillemot (Uria aalge). Langanes peninsula, northeast Iceland. May.

Terry Whittaker / Common murre / guillemots (Uria aalge) in nest colony on Langanes peninsula, northeast Iceland. May.

Marie Read / Northern gannets (Morus bassanus) performing sky-pointing display with outspread wings as part of courtship, Cape St. Mary's Ecological Reserve, Newfoundland, Canada. June.

Alex Hyde / Colonies of King penguins (Aptenodytes patagonicus) and Southern Elephant Seals (Mirounga leonina) on beach at St. Andrews Bay, South Georgia. November.

Ernie Janes / Tantallon Castle, East Lothian, on the Firth of Forth, with Bass Rock and the Gannet (Morus bassanus) colony, in distance, UK, July 2018.

Heike Odermatt / Gentoo Penguin (Pygoscelis papua) nesting colony and young Southern Elephant Seal (Mirounga leonina), Falkland Islands

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, with drifting snow, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, with drifting snow, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with with creche of huddling chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with with huddled chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguins (Aptenodytes forsteri) group lying down, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguins (Aptenodytes forsteri) near boat in bad weather, Atka Bay, Queen Maud Land, Antarctica.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chicks huddling together to keep warm in the snow, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony in snow, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony with chicks, Atka Bay, Queen Maud Land, Antarctica. October.

George Sanker / Atlantic puffin (Fratercula arctica) with sandeels in beak, at breeding colony. Machias Seal Island, New Brunswick / Maine, Canada / USA. July.

John Chan / Elegant terns (Thalasseus elegans) congregating on mussel beds at twilight during breeding season, Southern California, USA, April.

SCOTLAND: The Big Picture / Puffin (Fratercula artica) in boulder field seabird colony, Shiant Isles, Outer Hebrides, Scotland, UK. June, 2018.

Alex Hyde / Colonies of King penguins (Aptenodytes patagonicus) and Southern Elephant Seals (Mirounga leonina) on beach at St. Andrews Bay, South Georgia. November.

Alex Hyde / Colonies of King penguins (Aptenodytes patagonicus) and Southern Elephant Seals (Mirounga leonina) on beach at St. Andrews Bay, South Georgia. November.

Alex Hyde / King penguins (Aptenodytes patagonicus). St. Andrews Bay, South Georgia. November.

Alex Hyde / Colonies of King penguins (Aptenodytes patagonicus) and Southern Elephant Seals (Mirounga leonina) on beach at Gold Harbour, South Georgia. November.

Alex Hyde / King penguin (Aptenodytes patagonicus)fluffy brown chicks, Gold Harbour, South Georgia. November.

Alex Hyde / Colonies of King penguins (Aptenodytes patagonicus) and Southern Elephant Seals (Mirounga leonina) on beach at Gold Harbour, South Georgia. November.

Alex Hyde / Colonies of King penguins (Aptenodytes patagonicus) and Southern Elephant Seals (Mirounga leonina) on beach. Digitally stitched panormaic image. Gold Harbour, South Georgia. November.

Alex Hyde / King penguin (Aptenodytes patagonicus)colony. Salisbury Plane, South Georgia. November.