Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) in flight. Ordesa National Park, Spanish Pyrenees, April.

Ingo Arndt / Shoebill (Balaeniceps rex), Uganda

Ross Hoddinott / 2020VISION / Sign for a birdwatching hide, with a birdwatcher walking towards it in the background, Arne RSPB reserve, Dorset, England, UK, September. Model released.

Ross Hoddinott / 2020VISION / Birdwatcher standing by a bench scanning for a visiting Osprey, Arne RSPB reserve, Dorset, England, UK, September. Model released.

Ross Hoddinott / 2020VISION / Birdwatcher sitting on a bench scanning for a visiting Osprey, Arne RSPB reserve, Dorset, England, UK, September. Model released.

David Tipling / 2020VISION / Barnacle geese (Branta leucopsis) feeding on grazing marshes, with one bird wing stretching, Caerlaverock WWT, Dumfries and Galloway, Scotland, UK, December

David Tipling / 2020VISION / Grey Partridge (Perdix perdix) on a bare field, Norfolk, England, UK, April. Did you know? Partridges have the largest number of eggs in a clutch of any bird species, the highest number recorded being...

Chris Gomersall / 2020VISION / Sanderling (Calidris alba) in winter plumage feeding on tideline, The Wash, Norfolk, March. Did you know? The Sanderling is the only British wading bird that has no back toe; this gives it a distincti...

Donald M. Jones / Mountain Bluebird (Sialia currucoides) male in nest cavity, Troy, Montana

Donald M. Jones / Common Loon (Gavia immer) stretching wings, Troy, Montana

Peter Cairns / 2020VISION / Tourist watching a Puffin (Fratercula arctica), Shetland Isles, Scotland, UK, July 2011. Did you know? When flying a Puffin can flap its wings 400 times a minute.

Uri Golman / Asiatic lion cub (Panthera leo persica) looking up into tree, possibly at a bird, Gir Forest NP, Gujarat, India

Chien Lee / Standardwing (Semioptera wallacii) male displaying at lek, Halmahera Island, North Maluku, Indonesia

Steve Gettle / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male flying, Costa Rica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri), Prydz Bay, eastern Antarctica

Steve Gettle / Wood Duck (Aix sponsa) male swimming, Lapeer State Game Area, Michigan

Steve Gettle / Ring-necked Duck (Aythya collaris) male flying, Island Lake Recreation Area, Michigan

Steve Gettle / Wood Duck (Aix sponsa) male in breeding plumage, Lapeer State Game Area, Michigan

Steve Gettle / Wood Duck (Aix sponsa) male in breeding plumage, Lapeer State Game Area, Michigan

Steve Gettle / Wood Duck (Aix sponsa) male flying, Lapeer State Game Area, Michigan

Michael & Patricia Fogden / White-necked Jacobin (Florisuga mellivora) hummingbird male feeding on nectar of Fairy Duster (Calliandra sp) flower in cloud forest, Tandayapa Valley, western slope of Andes, Ecuador

Andrew Parkinson / Great crested grebe (Podiceps cristatus) adult stretching its wings and neck in dawn sunlight. Derbyshire, UK, March.

Sandesh Kadur / Indian / Asian one-horned rhinoceros (Rhinoceros unicornis) approaching, Kaziranga National Park, Assam, India

Steve Gettle / Spruce Grouse (Falcipennis canadensis) male, Michigan

Steve Gettle / Sharp-tailed Grouse (Tympanuchus phasianellus) male displaying at lek, Seney National Wildlife Refuge, Michigan

Klaus Echle / Little Owl (Athene noctua) young bird peering through boughs. Black Forest, Germany, June.

Richard Du Toit / Long-tailed Widow (Euplectes progne) male in breeding plumage, South Africa

Markus Varesvuo / Portrait of a Bearded vulture (Gypaetus barbatus) juvenile with spread wings. Spain, November. Magic Moments book plate, page 148-149.

Donald M. Jones / Red-breasted Nuthatch (Sitta canadensis), North America

Donald M. Jones / Red-breasted Nuthatch (Sitta canadensis) perching on pine cones, North America

Donald M. Jones / Steller's Jay (Cyanocitta stelleri), western Montana

Donald M. Jones / Mountain Pygmy-Owl (Glaucidium gnoma), northwestern Montana

Donald M. Jones / Mountain Pygmy-Owl (Glaucidium gnoma), northwestern Montana. Sequence 1 of 2

Donald M. Jones / Northern Flicker (Colaptes auratus) woodpecker male foraging, western Montana

Juergen Freund / Split-level shot of Leatherback sea turtle (Dermochelys coriacea) baby swimming in the sea near the beach. Warmamedi beach, Bird's Head Peninsula, West Papua, Indonesia, July 2009

Juergen Freund / Leatherback turtle (Dermochelys coriacea) baby speeding towards the sea. Warmamedi beach, Bird's Head Peninsula, West Papua, Indonesia, July 2009

Juergen Freund / Leatherback turtle (Dermochelys coriacea) baby. Warmamedi beach, Bird's Head Peninsula, West Papua, Indonesia, July 2009.

Tony Phelps / Rhombic Egg-eating Snake (Dasypeltis scabra) in nest of Cape Weaver bird (Poceus capensis). Little Karoo, Western Cape, South Africa, January.

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in characteristic posture mimicking a twig. French Guyana, August.

Tui De Roy / Baglafecht Weaver (Ploceus baglafecht) male, Borana Ranch, Kenya

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male in his bower. The center of the bower avenue is decorated with green fruits. Located on the campus of James Cook University, Townsville, Queensland, Australi...

Mark Hughes / Common Tern (Sterna hirundo) flying, Stockers Lake, Hertfordshire, England

Matthias Breiter / Ruffed Grouse (Bonasa umbellus) male drumming, Kenora, Ontario, Canada

Juan Carlos Munoz / Imperial shag / Blue eyed cormorant colony (Phalacrocorax atriceps), showing birds on nests, with one bird flying above. Patagonia, Argentina, March 2008

Chien Lee / Lilac-cheeked Kingfisher (Cittura cyanotis), Tangkoko Nature Reserve, Sulawesi, Indonesia

Markus Varesvuo / Bearded vulture (Gypaetus barbatus) flying, Spain, November

Markus Varesvuo / Bearded vulture (Gypaetus barbatus) flying, Spain, November

Markus Varesvuo / Bearded vulture (Gypaetus barbatus) flying, Spain, November

Konrad Wothe / Australian King Parrot (Alisterus scapularis) male, Atherton Tableland, Queensland, Australia

Angelo Gandolfi / Bearded vulture (Gypaetus barbatus) in flight over rocky outcrops, Monte Incudine, Parc Naturel Regional de Corse, Corsica island, France, February

John Waters / Golden eagle (Aquila chrysaetos) adult female taking off, flying over mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female taking off, flying over mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

Murray Cooper / Bananaquit (Coereba flaveola) in lowland rainforest, Ecuador

Murray Cooper / White-necked Jacobin (Florisuga mellivora) male feeding on flower nectar, Ecuador

Winfried Wisniewski / Brown Pelican (Pelecanus occidentalis) landing, San Diego, California

Winfried Wisniewski / African Fish Eagle (Haliaeetus vocifer) striking at fish, Chobe National Park, Botswana

Andrew Walmsley / Silhouette of adult Mistle thrush (Turdus viscivorus) nesting in amber traffic light, Glasgow, Scotland, UK, May 2006. Highly commended in Urban and Garden Wildlife category for Wildlife Photographer...

Alan Williams / Male Ruddy Duck (Oxyura jamaicensis) displaying on lake expelling air from breast feathers to form bubbles (captive bird) UK, May 2010

Steve Gettle / Black-capped Chickadee (Poecile atricapillus), Kellogg Bird Sanctuary, Michigan

Steve Gettle / Black-capped Chickadee (Poecile atricapillus), Kellogg Bird Sanctuary, Michigan

Steve Gettle / Golden-winged Warbler (Vermivora chrysoptera) calling, Michigan

Steve Gettle / Scarlet Tanager (Piranga olivacea) male, Huron Meadows Metropark, Michigan

Steve Gettle / Cape May Warbler (Setophaga tigrina) male calling, Crane Creek State Park, Ohio

Steve Gettle / Chestnut-sided Warbler (Setophaga pensylvanica) male, Crane Creek State Park, Ohio

Steve Gettle / Common Yellowthroat (Geothlypis trichas) male calling, Huron Meadows Metropark, Michigan

Steve Gettle / Black-capped Chickadee (Poecile atricapillus) on child's hand, Kensington Metropark, Michigan

Steve Gettle / Black-capped Chickadee (Poecile atricapillus), Huron Meadows Metropark, Michigan

Steve Gettle / Eastern Bluebird (Sialia sialis) male feeding on insect prey, Huron Meadows Metropark, Michigan

Steve Gettle / Red-winged Blackbird (Agelaius phoeniceus) male calling, Kensington Metropark, Michigan

Steve Gettle / Northern Cardinal (Cardinalis cardinalis) male, Brighton, Michigan

Steve Gettle / Dark-eyed Junco (Junco hyemalis) on branch with frozen berries, North America

Steve Gettle / Black-capped Chickadee (Poecile atricapillus) with berries, North America

Donald M. Jones / Eastern Warbling-Vireo (Vireo gilvus) male singing, northwest Montana

Donald M. Jones / Purple Gallinule (Porphyrio martinicus), Everglades National Park, Florida

Donald M. Jones / Canada Goose (Branta canadensis) flying, central Montana

Donald M. Jones / Cactus Wren (Campylorhynchus brunneicapillus) singing from atop a flowering Ocotillo (Fouquieria splendens), southern Arizona

Pete Oxford / Black-chested Buzzard-Eagle (Geranoaetus melanoleucus) juvenile, Podocarpus National Park, Ecuador

Vincent Grafhorst / Cape Teal (Anas capensis) standing in shallow water, Gaborone Game Reserve, Botswana

Suzi Eszterhas / Black-browed Albatross (Thalassarche melanophrys) flying, Steeple Jason Island, Falkland Islands

Murray Cooper / Plate-billed Mountain-Toucan (Andigena laminirostris) with orchids, Ecuador

Murray Cooper / Andean Condor (Vultur gryphus) female flying, Ecuador

Murray Cooper / Andean Condor (Vultur gryphus) male basking, Ecuador

Murray Cooper / King Vulture (Sarcoramphus papa) with full crop, Ecuador

Sebastian Kennerknecht / Common Goldeneye (Bucephala clangula) male in breeding plumage on pond, Santa Cruz, Monterey Bay, California

Luciano Candisani / Blue-fronted Parrot (Amazona aestiva) portrait, Bodoquena Plateau, Brazil

Konrad Wothe / Hoatzin (Opisthocomus hoazin) in rainforest, Tambopata National Reserve, Peru

Chris Gomersall / Golden eagle (Aquila chrysaetos) sub-adult in winter snow shower, captive bird, Speyside, Scotland, February

Richard Du Toit / Pearl-spotted Owlet (Glaucidium perlatum) Limpopo, South Africa

Richard Du Toit / African Darter (Anhinga rufa), Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / Ostrich (Struthio camelus) male, Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / Ostrich (Struthio camelus) female, Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / Red-collared Widowbird (Euplectes ardens) male in breeding plumage, Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / Little Egret (Egretta garzetta), Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / Ostrich (Struthio camelus), Rietvlei Nature Reserve, Gauteng, South Africa

Piotr Naskrecki / Tarantula (Theraphosidae) in rainforest, Suriname

Mark Hamblin / 2020VISION / Sign with close-up portrait of an Osprey (Pandion haliaetus) outside entrance to the visitor centre at Dyfi Osprey Project, Powys, Wales, UK, May 2012.