David Tipling / Activist from CABS (Campaign Against Bird Slaughter) holding a Black-eared Wheatear (male) (Oenthe hispanica) in spring / clap trap, illegally trapped on island of Ponza, Italy April 2012

David Tipling / Activist from CABS (Campaign Against Bird Slaughter) holding a Black-eared Wheatear (male) (Oenthe hispanica) in spring / clap trap, illegally trapped on island of Ponza, Italy April 2012

Sue Flood / View of active volcano at Chirpoy Island, Kurils, Russian Far East. Chirpoy (meaning small bird) is the collective name usually given to the twin volcanic islands of Chirpoy and Brat Chirpoev (Russian...

Kevin Schafer / Wandering Albatross (Diomedea exulans) chick begging parent for food, Bird Island, South Georgia Island

Kevin Schafer / Blue-footed Booby (Sula nebouxii) parent with begging chick, North Seymour Island, Galapagos islands, Ecuador

Hiroya Minakuchi / Adelie Penguin (Pygoscelis adeliae) group, Paulet Island, Antarctic Peninsula, Antarctica

Hiroya Minakuchi / Gentoo Penguin (Pygoscelis papua) pair leaping out of water, Danco Island, Antarctic Peninsula, Antarctica

Hiroya Minakuchi / Gentoo Penguin (Pygoscelis papua) group porpoising, Danco Island, Antarctic Peninsula, Antarctica

Kevin Schafer / Red-footed Booby (Sula sula), Genovesa Island, Galapagos Islands, Ecuador

Colin Monteath / Kea (Nestor notabilis), Ball Pass, Mount Cook National Park, Canterbury, New Zealand

Mark MacEwen / Brown booby (Sula leucogaster) the island is a Bird and Turtle nesting ground, Rain Island, National Park, Great Barrier Reef, Australia.

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregnant fem...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregnant fem...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregnant fem...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird perched, South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregna...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregnant fem...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird perched, South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregna...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregnant fem...

Mark Carwardine / Chatham Island Tomtit (Petroica macrocephala) wild bird in garden, used as foster parent for saving the Chatham Island black robin from extinction, Chatham Islands, New Zealand

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird perched, South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregna...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird flapping wings, South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird with insect prey, South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to o...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregnant fem...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, off southern New Zealand, Endangered species, once the rarest bird in the world (down to one...

Mark Carwardine / Chatham Island black robin (Petroica traversi) wild bird on South East Island (Rangatira), Chatham Islands, New Zealand, Endangered species, once the rarest bird in the world (down to one pregnant fem...

Mark Carwardine / Feeding 'hopper' for wild Kakapo (Strigops habroptilus) a high-tech bird table, Codfish Island, off Stewart Island, southern New Zealand, January 2009

Mark Carwardine / North Island brown kiwi (Apteryx mantelli) wild bird caught for research, Trounson Kauri Park, North Island, New Zealand, Endangered species, no model release, January 2009

Ole Jorgen Liodden / Tasmanian Nativehen (Gallinula mortierii) endemic bird of Tasmania. Bruny Island, Tasmania.

Ole Jorgen Liodden / Tasmanian Native hen (Gallinula mortierii) endemic bird of Tasmania. Bruny Island, Tasmania.

Andy Trowbridge / Tui (Prosthemadera novaeseelandiae) endemic to New Zealand. Tiritiri Matangi Island, Hauraki Gulf, Auckland, North Island, New Zealand. September.

Andy Trowbridge / Tui (Prosthemadera novaeseelandiae) perched on kowhai tree (Sophora spp.) endemic to New Zealand. South Island, Stewart Island. Tiritiri Matangi Island, Hauraki Gulf, Auckland, North Island, New Zeala...

Yukihiro Fukuda / Scrubland ideal for bird nesting along shore of Christmas Island, July 2008

Christian Ziegler / Magnificent Frigatebird (Fregata magnificens) breeding colony on small mangrove island, Carrie Bow Cay, Belize

Tui De Roy / Great frigatebird (Fregata minor) male with calling chick on nest. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Great frigatebird (Fregata minor) female incubating egg as male tends to the nest. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Great frigatebird (Fregata minor) male brooding his chick on nest. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Great frigatebird (Fregata minor) male brooding his chick on nest. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Magnificent frigatebirds (Fregata magnificens) in courtship behaviour, males inflating red gular pouches and females (white bib) observing. Espanola Island, Galapagos, Ecuador, June.

Tui De Roy / Magnificent frigatebirds (Fregata magnificens) flying overhead in formation against fluffy white clouds. Espanola Island, Galapagos, Ecuador, June.

Tui De Roy / Great frigatebird (Fregata minor) male on nest with chick in white plumage. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Great frigatebird (Fregata minor) on nest with chick in white plumage. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Great frigatebird (Fregata minor) male with inflated gular pouch as courtship display. Genovesa Island, Galapagos, Ecuador, June.

Tui De Roy / Great frigatebird (Fregata minor) male in flight with inflated gular pouch in courtship display. Genovesa Island, Galapagos, June.

Tui De Roy / Great frigatebird (Fregata minor) female incubating egg as male grooms her. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Great frigatebird (Fregata minor) on nest with chick in white plumage. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Espanola / Hood mockingbird (Mimus macdonaldi) young 'helpers' being submissive to older bird, Espanola Island, Galapagos

Tui De Roy / Brown pelican (Pelecanus occidentalis) on nest incubating eggs with beach and other bird in flight. Santa Cruz Island, Galapagos, Ecuador, June.

Roger Powell / Razorbill (Alca torda) portrait of bird looking over its shoulder, Great Saltee Island, Wexford, Republic of Ireland June

Cheryl-Samantha Owen / Yves Chesselet (Cape Nature) captures Cape gannet juveniles (morus capensis) from the colony on Bird Island, Lambert's Bay, South Africa May 2012. The birds were abandoned by their parents. After capt...

Cheryl-Samantha Owen / Cape gannets (Morus capensis) large colony on Bird Island, Lambert's Bay, South Africa. Yves Chesselet (Cape Nature) captures Cape gannet juveniles from the colony on Bird Island. The birds were aband...

Cheryl-Samantha Owen / Yves Chesselet (Cape Nature) captures Cape gannet juvenile (Morus capensis) from the colony on Bird Island, Lambert's Bay, South Africa, 2012. The birds were abandoned by their parents. After capture...

Tom Vezo / Wild Turkey (Meleagris gallopavo) male displaying, Long Island, New York

Tom Vezo / Wild Turkey (Meleagris gallopavo) male displaying, Long Island, New York

Tom Vezo / Wild Turkey (Meleagris gallopavo) male displaying, Long Island, New York

Tom Vezo / Song Sparrow (Melospiza melodia) on snow, Long Island, New York

Martin Willis / Yellow-throated Honeyeater (Lichenostomus flavicollis), Bruny Island, Tasmania, Australia

Martin Willis / Yellow Wattlebird (Anthochaera paradoxa), Bruny Island, Tasmania, Australia

Martin Willis / Yellow Wattlebird (Anthochaera paradoxa), Bruny Island, Tasmania, Australia

Martin Willis / Tasmanian Thornbill (Acanthiza ewingii), Bruny Island, Tasmania, Australia

Martin Willis / Scarlet Robin (Petroica boodang) male, Bruny Island, Tasmania, Australia

Martin Willis / Scarlet Robin (Petroica boodang) male, Bruny Island, Tasmania, Australia

Martin Willis / Green Rosella (Platycercus caledonicus), Bruny Island, Tasmania, Australia

Martin Willis / Forty-spotted Pardalote (Pardalotus quadragintus), Bruny Island, Tasmania, Australia

Martin Willis / Flame Robin (Petroica phoenicea) male, Bruny Island, Tasmania, Australia

Tom Vezo / Rose-breasted Grosbeak (Pheucticus ludovicianus) perching in blooming Beach Plum (Prunus maritima) tree, Long Island, New York

Tom Vezo / Least Auklet (Aethia pusilla) pair, Saint Paul Island, Pribilof Islands, Alaska

Tom Vezo / Least Auklet (Aethia pusilla), Saint Paul Island, Pribilof Islands, Alaska

Tom Vezo / Least Auklet (Aethia pusilla), Saint Paul Island, Pribilof Islands, Alaska

Tom Vezo / House Finch (Carpodacus mexicanus) female, Long Island, New York

Tom Vezo / Great Black-backed Gull (Larus marinus) with crab prey, Long Island, New York

Tom Vezo / Blue Jay (Cyanocitta cristata) carrying peanut, Long Island, New York

Tom Vezo / American Kestrel (Falco sparverius) male, Long Island, New York

Konrad Wothe / King Penguin (Aptenodytes patagonicus) running in colony, Gold Harbor, South Georgia Island

Konrad Wothe / Gentoo Penguin (Pygoscelis papua) chick begging for food, Gold Harbor, South Georgia Island

Konrad Wothe / Southern Elephant Seal (Mirounga leonina) sleeping male and King Penguins (Aptenodytes patagonicus), South Georgia Island

Konrad Wothe / Gentoo Penguin (Pygoscelis papua) parent feeding chick, Gold Harbor, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group coming ashore, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group coming ashore near tourists, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group going to sea with tourists nearby, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) pair courting, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) pair courting, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) colony, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) colony, Salisbury Plain, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group and cruise ship, Salisbury Plain, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) moulting, South Georgia Island

Konrad Wothe / Striated Caracara (Phalcoboenus australis) landing, Carcass Island, Falkland Islands

Konrad Wothe / Kelp Goose (Chloephaga hybrida) male feeding on kelp, New Island, Falkland Islands

Terry Whittaker / 2020VISION / Corn buntings (Emberiza calandra) perched amongst bird conservation crop, Wallasea Island Wild Coast Project, Essex, England, UK, February

Paul Harris / 2020VISION / Bird hide at West Canvey Marshes RSPB reserve, with wind pump in the background, Canvey Island, Essex, England, UK, November.

Konrad Wothe / Royal Penguin (Eudyptes schlegeli), Macquarie Island, Antarctica

Bertie Gregory / 2020VISION / Greenshank (Tringa nebularia) wading through shallow water at sunset, Brownsea Island, Dorset, winter.

Stephen Belcher / Northern Royal Albatross (Diomedea sanfordi) chick on nest, Taiaroa Head, Otago, New Zealand

Stephen Belcher / Northern Royal Albatross (Diomedea sanfordi) chick being weighed by researchers, Taiaroa Head, Otago, New Zealand