Richard Du Toit / Cattle Egret (Bubulcus ibis) on Burchell's Zebra (Equus burchellii), Rietvlei Nature Reserve, Gauteng, South Africa

Terry Whittaker / 2020VISION / Corn buntings (Emberiza calandra) feeding on bird conservation crop, Wallasea Wild Coast Project, RSPB Greater Thames Futurescapes Project, Essex, England, UK, December.

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

Juan Carlos Munoz / Bearded Vultures (Gypaetus barbatus) juvenile (left) and adult fighting in flight. Simien National Park, Ethiopia, Africa.

Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) chasing Thick-billed Raven (Corvus crassirostris) in flight. Simien National Park, Ethiopia, Africa.

Terry Whittaker / 2020VISION / Corn buntings (Emberiza calandra) feeding on bird conservation crop. Wallasea Wild Coast Project, Essex.

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

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...

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

Ben Hall / 2020VISION / Red grouse (Lagopus lagopus scoticus) on heather moorland showing habitat, Peak District National Park, UK, September. Did you know? Red grouse thrive on managed moorlands the UK has at least 155,000...

Paul Harris / 2020VISION / Boy bird watching on family visit to the Westhay Nature Reserve, Somerset Levels, UK, June 2011, model released

Andrew Parkinson / 2020VISION / Marsh harrier (Circus aeruginosus) chick at its nest site, defiant as it is approached by a licenced bird ringer, Sculthorpe Nature Reserve, Norfolk, UK, July 2010

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

Terry Whittaker / 2020VISION / Birdwatchers in foreground with Kemsley Paper Mill in background, Kent, UK, March 2011

Mark Hamblin / 2020VISION / Black grouse (Tetrao tetrix) male at lek, Creag Megaidh NNR, Highlands, Scotland, UK, April

Terry Whittaker / 2020VISION / Swarm of Greenfly (winged aphids), Rutland Water, Rutland, UK, April. Photographer quote: 'It's quite difficult to take photographs with greenfly in your eyes, nose and ears!' Did you know? Although s...

Pete Oxford / Sword-billed Hummingbird (Ensifera ensifera), the only species of bird to have a bill longer than the rest of its body, approaching a flower. Yanacocha Reserve, Ecuador.

Pete Oxford / Silhouette of a Sword-billed Hummingbird (Ensifera ensifera), the only species of bird to have a bill longer than the rest of its body. Yanacocha Reserve cloud forest, Ecuador.

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

Peter Cairns / 2020VISION / Three Rock ptarmigan (Lagopus mutus) perched on rock, camouflaged against snow in winter plumage, Cairngorms NP, Highlands, Scotland, UK, February. Did you know? The ptarmigan is the only British bird...

Fergus Gill / Red grouse (Lagopus lagopus scoticus), portrait of a cock bird displaying to rival males. Cairngorms National Park, Scotland, April

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

Angelo Gandolfi / Carrion Crows (Corvus corone) mobbing a Bearded vulture (Gypaetus barbatus) Scala di St. Regina gorges. Corte, Parc Naturel Regional de Corse, Corsica island, France, January

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

Yva Momatiuk & John Eastcott / Cape Buffalo (Syncerus caffer) bull with Red-billed Oxpecker (Buphagus erythrorhynchus) pair, Masai Mara National Reserve, Kenya

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

Anup Shah / Lilac-breasted roller (Coracias caudata) perched on the back of a Common zebra (Equus quagga). Masai Mara National Reserve, Kenya. December

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

Wild Wonders of Europe / Hermansen / Bird's foot trefoil (Lotus corniculatus) flower, Burren National Park, County Clare, Republic of Ireland, June 2009

Wild Wonders of Europe / Benvie / Bird's nest orchid (Neottia nidus-avis) in flower, France, Queyras Natural Park, May 2009

Tim Laman / Male Carola's Parotia (Parotia carolae) bird of paradise displaying on his display court to five females perched above, Crater Mountain Wildlife Management Area, Eastern Highlands Province, Papua New...

Tim Laman / Male Carola's Parotia (Parotia carolae) bird of paradise displaying on his display court to five females perched above, Crater Mountain Wildlife Management Area, Eastern Highlands Province, Papua New...

Tim Laman / Male Victoria's Riflebird (Ptiloris victoriae) bird of paradise perched, calling on display perch. Atherton Tablelands, Wooroonooran National Park, Queensland, Australia.

Tim Laman / Male Carola's Parotia (Parotia carolae) bird of paradise displaying at his display court, Crater Mountain Wildlife Management Area, Eastern Highlands Province, Papua New Guinea.

Tui De Roy / Toucan Barbet (Semnornis ramphastinus) beside a bromeliad, Bellavista Cloud Forest Reserve, Ecuador

Tui De Roy / Crimson-rumped Toucanet (Aulacorhynchus haematopygus) eating fruit at feeding station, Bellavista Cloud Forest Reserve, Ecuador

Tim Laman / Scarlet ibis (Eudocimus ruber) and Snowy egret {Egretta thula} flying out from their mangrove roosting trees before sunrise in the Caroni Swamp, Caroni Bird Sanctuary, Trinidad.

Ingo Arndt / Ostrich (Struthio camelus) female chasing away rival, Masai Mara National Reserve, Kenya

Ingo Arndt / African Jacana (Actophilornis africana) foraging near Hippopotamus (Hippopotamus amphibius) amid water lettuce, Masai Mara National Reserve, Kenya

Theo Allofs / Lechwe (Kobus leche) and Cattle Egret (Bubulcus ibis) in Moremi Game Reserve, Okavango Delta, Botswana

Patricio Robles Gil / Gambel's Quail (Callipepla gambelii) adult perched atop a blooming cactus, El Pinacate/Gran Desierto de Altar Biosphere Reserve, Sonora, Mexico

Richard Du Toit / African openbill storks silhouetted at sunset {Anastomus lamelligerus} Chobe NP, Botswana, Africa

Michael & Patricia Fogden / White-necked Jacobin (Florisuga mellivora) hummingbird male feeding on nectar from a Bromeliad flower, La Selva Biological Research Station, Rainforest, Costa Rica

Michael & Patricia Fogden / Green Hermit (Phaethornis guy) hummingbird feeding on and pollinating Coral Tree (Erythrina sp) flowers, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird feeding and pollinating flowers of epiphytic Heath (Cavendishia capitulata), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Green-crowned Brilliant (Heliodoxa jacula) hummingbird juvenile male feeding at and pollinating Ginger (Costus montanus) flowers, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding at and pollinating epiphytic Orchid flowers (Elleanthus sp), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird feeding at and pollinating flowers of epiphytic Heath (Macleania insignis), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Violet Sabre-wing (Campylopterus hemileucurus) hummingbird male at Ginger (Costus montanus) flowers, Monteverde Cloud Forest Reserve, Costa Rica

Tui De Roy / Scarlet Macaw (Ara macao) flying in rainforest canopy, upper Tambopata River, Peruvian Amazon, Peru

Tui De Roy / Scarlet Macaw (Ara macao) pair perched on tree limb, originally hand raised by the research center, they are now living in the rainforest canopy, Tambopata-Candamo Reserve, Amazon Basin, Peru

Jim Brandenburg / Tundra Swan (Cygnus columbianus) flock taking off from lake, Mattamuskeet National Wildlife Reserve, North Carolina

Tui De Roy / Sulawesi Red-knobbed Hornbill (Aceros cassidix) male delivering figs to a female sealed inside hollow nest cavity, Tangkoko Dua Saudara Nature Reserve, Sulawesi, Indonesia

Tui De Roy / Sulawesi Red-knobbed Hornbill (Aceros cassidix) male delivering figs to female sealed inside hollow tree, Tangkoko-Dua Saudara Reserve, Indonesia

Mark Jones / Sulawesi Red-knobbed Hornbill (Aceros cassidix) breeding male in a fruiting Fig tree (Ficus forsteni) 32 meters above the ground in rainforest canopy, Tangkoko-Dua Saudara Nature Reserve, Sulawesi, In...

Mark Jones / Sulawesi Red-knobbed Hornbill (Aceros cassidix) breeding male in fruiting Fig (Ficus forsteni), Tangkoko-Dua Saudara Nature Reserve, Sulawesi, Indonesia

Tui De Roy / Scarlet Macaw (Ara macao) pair making a living in rainforest canopy, originally hand-raised by research center, Tambopata-Candamo Reserved Zone, Amazon Basin, Peru

Mark Moffett / Emerald Toucanet (Aulacorhynchus prasinus), Monteverde Cloud Forest Reserve, Costa Rica

Richard Du Toit / Kori bustard {Choriotis kori} with Carmine bee-eater {Merops nubicus} on back. Botswana

Pete Oxford / Scarlet macaws {Ara macao macao} Madre de Dios, Amazonia, Peru

Pete Oxford / Scarlet macaw {Ara macao macao} Madre de Dios, Amazonia, Peru

Phil Savoie / Raggiana bird of paradise (Paradisaea raggiana) male displaying to female, Papua New Guinea, Varirata NP.

Phil Savoie / Raggiana bird of paradise (Paradisaea raggiana) male displaying at lek Papua New Guinea, Varirata NP.

Pete Oxford / Wire tailed manakin bird, Yasuni NP, Amazonia, Ecuador

Tony Heald / African skimmer skimming {Rynchops flavirostris} Chobe NP, Botswana

Ashok Jain / Rose Ringed Parakeet looking out of nest hole. Keoladeo NP India (Psittacula krameri)

Staffan Widstrand / Toco toucan in tree {Ramphastos toco} Pantanal, Brazil

Hermann Brehm / Chestnut eared aracari {Pteroglossus castanotis} Peru

Jabruson / African rock python {Python sebae} feeding on Red billed quelea {Quelea quelea} Tsavo East NP, Kenya

Jabruson / Red billed quelea eggs inside nest {Quelea quelea} Tsavo East NP, Kenya

Jabruson / Juvenile African fish eagle {Haliaeetus vocifer} defends Lesser flamingo prey {Phoeniconaias minor} from Marabou storks {Leptoptilos crumeniferos} Lake Nakuru NP, Kenya

Tony Heald / Male African jacana caring for chick and eggs {Actophilornis africana} Chobe NP, Botswana

Anup Shah / White stork hunts for insects escaping from savanna fire {Ciconia ciconia} Serengeti NP, Tanzania, East Africa

Geoff Simpson / Bewick swan on water {Cygnus columbianus bewickii} Washington WWT, Co Durham, UK

Anup Shah / Male Hog deer {Axis porcinus} with Oxpecker bird Kaziranga NP, Assam, India

John Cancalosi / Neotropical bird eating snake (Pseustes poecilonotus) Guanacaste National park, Costa Rica

Richard Du Toit / Marsh / Water mongoose (Atilax paludinosis), walking profile, Marievale Bird Sanctuary, South Africa

David Tipling / Masked hunter in Foresta 2000 reserve, Malta, during Bird Life Malta Springwatch Camp, April 2013 (Very small file) EDITORIAL USE ONLY

Richard Du Toit / Burchell's Zebra (Equus burchellii) pair near flock of Cattle Egrets (Bubulcus ibis), Rietvlei Nature Reserve, Gauteng, 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 / Cattle Egret (Bubulcus ibis) standing on Burchell's Zebra (Equus burchellii), Rietvlei Nature Reserve, Gauteng, South Africa

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

Richard Du Toit / Ostrich (Struthio camelus) male with chicks, 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 / Ostrich (Struthio camelus) juvenile near parent, Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / White Rhinoceros (Ceratotherium simum) pair feeding near Cattle Egrets (Bubulcus ibis), Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / White Rhinoceros (Ceratotherium simum) and Cattle Egret (Bubulcus ibis), Rietvlei Nature Reserve, Gauteng, South Africa