Adult brown pelicans (Pelecanus occidentalis), on a small islet near Isla Salsipuedes, Baja California, Mexico, North America

Gentoo penguins (Pygoscelis papua) come ashore, Cuverville Island, Errera Channel, Danco Coast, Antarctic Peninsula, Antarctica, Polar Regions

Galapagos Sea Lion (Zalophus californianus wollebaeki), Floreana Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Sea Lion (Zalophus wollebaeki), Playa Mann, sunset, Puerto Baquerizo Moreno, San Cristobal (Chatham) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Adult Magellanic penguins (Spheniscus magellanicus) on the beach at Gypsy Cove, East Island, Falkland Islands, South America

Galapagos sea lion (Zalophus californianus wollebaeki) and marine iguana (Amblyrhynchus cristatu), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult black-legged kittiwakes (Rissa tridactyla) take flight by the hundred at nesting site at Diskobukta, Edgeoya, Svalbard, Arctic, Norway, Scandinavia, Europe

Sea Lion (Zalophus wollebaeki) on the beach at Punta Pitt, San Cristobal (Chatham) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Blue-footed booby (Sula nebouxii) on a nest, Punta Suarez, Espanola (Hood) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Greater flamingo (Phoenicopterus roseus), Isabela (Albemarle) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Guadalupe fur seals (Arctocephalus townsendi), at new haul out on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North America

Adult glaucous gulls (Larus hyperboreus) at Bjornoya, Bear Island, Norway, Scandinavia, Europe

Adult brown pelicans (Pelecanus occidentalis), on a small islet near Isla San Marcos, Baja California, Mexico, North America

Svalbard reindeer (Rangifer tarandus) grazing on the tundra in Varsolbukta, Bellsund, Spitsbergen, Arctic, Norway, Scandinavia, Europe

A Turks and Caicos rock iguana (Cyclura carinata), on Little Water Cay, Providenciales, Turks and Caicos, in the Caribbean, West Indies, Central America

Gentoo penguins (Pygoscelis papua), Cuverville Island, Errera Channel, Danco Coast, Antarctic Peninsula, Antarctica, Polar Regions

Svalbard Reindeer (Rangifer tarandus platyrhynchus) in the tundra, Spitsbergen Island, Svalbard archipelago, Arctic, Norway, Europe

Gentoo penguins (Pygoscelis papua) in a line at the snowy sea shore, Cuverville Island, Antarctic Peninsula, Antarctica, Polar Regions

Galapagos Sea Lion (Zalophus californianus wollebaeki), resting on a kayak, Post Office Bay, Floreana Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

South American Sea Lions (Otaria flavescens), males, Punta Ninfas, Atlantic Coast, Chubut Province, Patagonia, Argentina, South America

Adult humpback whales (Megaptera novaeangliae) feeding off the west coast of Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

Pink flamingos at salt pans, Trapani, Sicily, Italy, Europe

A Turks and Caicos rock iguana (Cyclura carinata), on Little Water Cay, Providenciales, Turks and Caicos, in the Caribbean, West Indies, Central America

Great Flamingos at the water's edge with the cranes of the port in the background, the Wetlands, Walvis Bay, Namibia, Africa

Adult fin whale (Balaenoptera physalus) surfacing near Hornsund, Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

Galapagos Sea Lion (Zalophus californianus wollebaeki), South Plaza Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos sea lions (Zalophus californianus wollebaeki), resting on a sandy beach, Espanola Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Blue-footed booby (Sula nebouxii) on the rocky coast by the Bachas Beach, Santa Cruz (Indefatigable) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Adult Brunnich's guillemots (Uria lomvia) nesting on narrow ledges at Alkefjelet, Cape Fanshawe, Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

Chinstrap penguins (Pygoscelis antarcticus), bright lichen covered rocks, Half Moon Island, South Shetland Islands, Antarctica, Polar Regions

Seals slumber at one of world's largest colonies of Cape Fur Seals (Arctocephalus pusillus), Atlantic Coast, Cape Cross, Namibia, Africa

Sally Lightfoot crab (Grapsus grapsus), Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Tourists watching a colony of black-browed albatross (Thalassarche melanophris), Saunders Island, Falklands, South America

Gentoo penguin (Pygoscelis papua) breeding colony on the slopes of Carcass Island, Falkland Islands, South America

Galapagos Sea Lions (Zalophus californianus wollebaeki), Gardner Bay, Espanola Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Northern Gannet (Morus bassanus) in flight, Stac Lee, island Marilyn, St. Kilda Archipelago, UNESCO World Heritage Site, Outer Hebrides, Scotland, United Kingdom, Europe

Blue-footed booby (Sula nebouxii), Punta Pitt, San Cristobal (Chatham) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Iguanas on a white sand beach, Exumas, Bahamas, West Indies, Caribbean, Central America

Portrait of a Galapagos sea lion (Zalophus californianus wollebaeki), South Plaza Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Southern Elephant Seal (Mirounga leonina), two females, Punta Ninfas, Atlantic Coast, Chubut Province, Patagonia, Argentina, South America

Thick-billed Murres (Uria lomvia) (Brunnich's guillemots) colony, Alkefjellet Hinlopen Strait, Svalbard archipelago, Arctic, Norway, Europe

Adult humpback whales (Megaptera novaeangliae) feeding off the west coast of Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

Adult humpback whale (Megaptera novaeangliae) feeding off the west coast of Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

Iguana on a white sand beach, Exumas, Bahamas, West Indies, Caribbean, Central America

Gentoo penguin (Pygoscelis papua) close up, Prion Island, South Georgia, Antarctica, Polar Regions

Adult Brunnich's guillemots (Uria lomvia) in flight at Alkefjelet, Cape Fanshawe, Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

Svalbard reindeer (Rangifer tarandus) losing its winter coat in Varsolbukta, Bellsund, Spitsbergen, Arctic, Norway, Scandinavia, Europe

Gentoo penguin (Pygoscelis papua) colony, Prion Island, South Georgia, Antarctica, Polar Regions

Adelie Penguin (Pygoscelis adeliae), Torgersen Island, near Palmer Station, off Anvers Island, Antarctic Peninsula, Antarctica, Polar Regions

Tourists walking between a huge numbers of Long-tailed gentoo penguins (Pygoscelis papua), Saunders Island, Falklands, South America

Gentoo penguins (Pygoscelis papua) colony, Prion Island, South Georgia, Antarctica, Polar Regions

Gentoo penguin (Pygoscelis papua) colony, Prion Island, South Georgia, Antarctica, Polar Regions

Iguana on a white sand beach, Exumas, Bahamas, West Indies, Caribbean, Central America

Gentoo penguins (Pygoscelis papua) colony, Prion Island, South Georgia, Antarctica, Polar Regions

Gentoo penguin (Pygoscelis papua) colony, Prion Island, South Georgia, Antarctica, Polar Regions

Oystercatcher (Haematopus ostralegus) flying in to land to join others at a high tide roost on coastal rocks, Cornwall, England, United Kingdom, Europe

Sally Lightfoot Crab (Grapsus grapsus), Bachas beach, North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Traditional fishing hauling nets, Nilavelli beach, near Trincomalee, Eastern province, Sri Lanka, Asia

Gentoo penguins (Pygoscelis papua) and tourists on a zodiac, Cuverville Island, Antarctic Peninsula, Antarctica, Polar Regions

Elephant seal (mirounga leonina) lying in snow, south georgia

Flightless steamer duck (tachyceres brachypterus) new island, falkland islands, group of chicks huddled together on the beach.

Cassins peregrine falcon (falco peregrinus cassini) new island, falkland islands, perched on cliff face.

Northern elephant seal (mirounga angustirostris) male portrait, san benitos island, baja, mexico

Cape rock hyrax (procavia capensis) amongst rocks, hermanus, south africa

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Flightless steamer duck (tachyceres brachypterus) new island, falkland islands, mother calling, with group of chicks sat on beach.

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Black skimmer (rynchops niger) florida, usa, in flight.

Rockhopper penguin (eudyptes chrysocome) new island, falkland islands, portrait.

Rockhopper penguin (eudyptes chrysocome) bleaker island, falkland islands, inquisitive penguin looking into lens

Antarctic skua (catharacta antarctica) new island, falkland islands, in flight over the beach.

Arctic tern (sterna paradisaea), farne islands, uk, in flight

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Kelp goose (chloephaga hybrida) male, falkland islands

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Male kelp goose (chloephaga hybrida) spreading wings, new island, falkland islands.

Patagonian crested duck (anas specularoides) in flight over water, new island, falkland islands.

Rockhopper penguin (eudyptes chrysocome) new island, falkland islands, portrait.

Flightless steamer duck (tachyceres brachypterus) new island, falkland islands, group of chicks with mother, sitting on the beach.

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Southern seal (mirounga leonina) gold harbour, south georgia, aggressive bull on the beach, bellowing, beachmaster.

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Snowy egret (egretta thula) florida, usa, standing in water, feathers ruffled, showing red facial colour of breeding adult

Rockhopper penguin (eudyptes chrysocome) bleaker island, falkland islands, view over colony.

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Striated caracara (phalcoboenus australis) new island, falkland islands, stood on beach on one leg.

Northern elephant seal (mirounga angustirostris) female calling, tongue out, san benitos island, baja, mexico

Antarctic skua (catharacta antarctica) new island, falkland islands, footprints in the sand.

Wandering albatross (diomedea exulans) prion island, south georgia, adult feeding chick

Bald eagle, haliaeetus leucocephalus, weisskopfseeadler, homer, kenai peninsula, alaska, usa

Horned puffin, fratercula corniculata. Couple standing on rock; evening light

Cape rock hyrax (procavia capensis) portrait, hermanus, south africa

Upland goose (chloephaga picta) two chicks walking on sandy beach, new island, falkland islands.

Black-browed albatross (diomedea melanophoris) falkland islands, sat on nest, showing egg and colony behind

Striated caracara (phalcoboenus australis) new island, falkland islands, pair standing on the beach.

Humpback whale. Megaptera novaeangliae. Tail fluke. Wilhelmina bay, antarctica

Horned puffin, fratercula corniculata. Standing on rock

Greater flamingoes, phoenicopterus ruber. In flight at sunset. Walvis bay, namibia