Oscar Dewhurst / Great bittern (Botaurus stellaris) head and neck, looking up through reeds. Suffolk, UK. November.

Marie Read / California quail (Callipepla californica), male emerging from behind snowbank in winter, Mono Lake Basin, California, USA

Marie Read / Great blue heron (Ardea herodias) in breeding plumage, head and shoulders showing plumes on crown and neck, Montezuma National Wildlife Refuge, New York, USA, May.

David Pattyn / Great crested grebe (Podiceps cristatus) with discarded fishing net around the neck. The Netherlands. April.

Ingo Arndt / Intermediate Egret (Egretta intermedia) Kakadu National Park, Northern Territory, Australia, December

Neil Aldridge / Plain's zebra (Equus quagga) biting the neck of a rival during a fight Hluhluwe imfolozi Park. South Africa.

Bence Mate / Grey heron (Ardea cinerea) close up of neck and eye, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary, February.

Wim van den Heever / Whooper swans (Cygnus cygnus) juvenile with adults behind, on frozen Lake Kussharo, Hokkaido, Japan. February.

Markus Varesvuo / Male Capercaillie (Tetrao urogallus) flying, Jalasjarvi, Finland, April.

Paul Hobson / Weasel (Mustela nivalis) head and neck looking out of yellow autumn acer leaves, Sheffield, England, UK.

Gerrit Vyn / Ruffed grouse (Bonasa umbellus) displaying neck "ruff". The ruff is most often displayed once a female is present. Okanogan County, Washington. April.

Jabruson / Mozambican children with captive Yellow Baboon youngster (Papio cynocephalus) young animal caught during troop crop raiding. Pemba to Montepuez highway, north-eastern Mozambique, November 2011. Specia...

Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) adult feeding chick, Ria Lagartos Biosphere Reserve, Yucatan Peninsula Mexico, June. Winner of the CONABIO Nature Photography Competition 2015.

Bence Mate / Great white egret (Ardea alba) silhouetted at sunset, Lake Csaj, Pusztaszer, Hungary, February. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competition 2015.

Bence Mate / Grey heron (Ardea cinerea) and Great egret (Ardea alba) fighting over fish, Lake Csaj, Pusztaszer, Hungary, December. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competi...

Bence Mate / Two Great egrets (Ardea alba) face to face against white sky, Lake Csaj, Pusztaszer, Hungary. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competition 2015.

Solvin Zankl / Ribbon sawtail fish (Idiacanthus fasciola) from Atlantic Ocean, at a depth of 800-1000m.

George Sanker / Great egret (Ardea alba) in flight, Florida, USA, March.

Nick Upton / Mute swan (Cygnus olor) female and a young cygnet foraging in sunset light, Kennet and Avon canal, Caen Hill, Wiltshire, UK, June.

Andy Rouse / Mute Swan (Cygnus olor) courtship behaviour, Wales, UK, April.

Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) courtship dance, Cardiff, UK, March.

Andy Rouse / Bengal tiger (Panthera tigris tigris) stalking deer, and craning neck, Ranthambore, India.

Krijn Trimbos / Great crested grebe (Podiceps cristatus) pair in 'weed dance' courtship display, The Netherlands, March.

Danny Green / Japanese cranes (Grus japonensis) displaying in snow, Hokkaido, Japan, February

Ole Jorgen Liodden / Tasmanian native hen (Gallinula mortierii) walking through grass, Bruny Island, Tasmania, Australia. Endemic.

Martin Gabriel / Mute swans (Cygnus olor) on water, Bavaria, Germany, February.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), feeding and cleaning.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), feeding and cleaning.

Markus Varesvuo / Black-throated diver (Gavia arctica) on water, Finland, May.

Markus Varesvuo / Black-throated diver (Gavia arctica) on water, Finland, May.

Markus Varesvuo / Great white egret (Ardea alba) splashing, Hungary, January.

Ann & Steve Toon / Rothschild's giraffes (Giraffa camelopardalis rothschildi), feeding on leaves, Woburn Safari Park, UK, June, captive.

Tui De Roy / Little blue / fairy penguin (Eudyptula minor) pair courting near nesting burrow, Neck Game Reserve, Bruny Island, Tasmania, Australia, December.

Tui De Roy / Little blue / fairy penguin (Eudyptula minor) walking on pathway to nesting burrows, Neck Game Reserve, Bruny Island, Tasmania, Australia, December.

David Pattyn / Great crested grebe (Podiceps cristatus) portrait of an adult bird with neck and crest erected, courtship behaviour. The Netherlands. June 2014

David Pattyn / Great crested grebe (Podiceps cristatus) courting pair. The Netherlands.May 2014

Markus Varesvuo / Red-crowned Cranes (Grus japonensis) displaying and calling in snow, Hokkaido, Japan, February

Markus Varesvuo / Great White Egret (Egretta alba) with water splashing from beak, Hungary January

Ben Cranke / European Herring Gull (Larus argentatus) landing on the waters of a fjord, Norway, May.

Wild Wonders of Europe / Widstrand / Fallow deer (Dama dama) male, Studen Kladenets reserve, Eastern Rhodope Mountains, Bulgaria, May 2013.

Denis-Huot,Denis-Huot / Greater flamingos (Phoenicopterus ruber roseus) males displaying, lake Nakuru, Kenya

Andy Rouse / Maasai Giraffes (Giraffa camelopardalis tippelskirchi) courtship display Maasai Mara, Kenya, Africa

Loic Poidevin,Loic Poidevin / Dalmatian pelicans (Pelecanus crispus) squabbling over fish, Lake Kerkini, Greece, February

David Tipling / Dalmatian Pelicans (Pelicanus crispus) being fed by fisherman at Lake Kerkini, Northern Greece, February

Bence Mate / Grey heron (Ardea cinerea) standing on the neck of another Grey heron, Lake Csaj, Kiskunsagi National Park, Hungary

Denis-Huot / Gerenuk (Litocranius walleri) female eating, neck outstretched, Samburu game reserve, Kenya

Carol Walker / Black Friesian stallion, head neck portrait, Ojai, California, USA

Erlend Haarberg / Whooper swan (Cygnus cygnus) calling in snow, Norway, December

Gerrit Vyn / Ruffed grouse (Bonasa umbellus) male displaying neck "ruff". The ruff is most often displayed once a female has been attracted by the males drumming and is present. Okanogan County, Washington, USA Ap...

Brent Stephenson / Australasian Gannet (Morus serrator) looking upwards or 'skypointing'. Cape Kidnappers, Hawkes Bay, New Zealand, September.

Andy Rouse / Masai Giraffes (Giraffa camelopardalis tippelskirchi) seen from a low angle. Masai Mara, Kenya, Africa.

Mark Hamblin / 2020VISION / Red deer (Cervus elaphus) stag in pine woodland in winter, Cairngorms National Park, Scotland, UK, February. Did you know? British red deer are different to European red deer, having a shorter tail an...

Florian Möllers / Chinese Fisherman and one of his Great Cormorants (Phalacrocorax carbo sinensis). Li River, Yangshuo, Guangxi, China, November.

Fabrice Cahez / Great crested grebe (Podiceps cristatus) pair displaying, Vosges, France, March

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

Andrew Parkinson / Mute swan (Cygnus olor) adult emerges serenely from a thick mist into dawn sunlight, Derbyshire, UK, May.

Klaus Echle / Lynx (Lynx lynx) holding its fawn kill by the neck. The Black Forest, Germany, October. Captive

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male rear view, neck feathers, Atherton Tablelands, Queensland, Australia, November

Luiz Claudio Marigo / Jaguar (Panthera onca palustris) in water with Yacare Caiman (Caiman yacare), its teeth around the back of the prey's neck. Piquiri River, The Pantanal wetlands of Mato Grosso State, Brazil, October....

Peter Cairns / Mute Swan (Cygnus olor) with its beak in water. Fife, Scotland, November.

Edwin Giesbers / Portrait of Grey Heron (Ardea cinerea) looking directly at lens. The Netherlands, June.

Pete Oxford / Great blue heron (Ardea herodias) portrait, Puerto Ayora, Santa Cruz Island, Galapagos Islands

Andrew Parkinson / Mute swan (Cygnus olor) head portrait in profile during a blizzard. Derbyshire, UK, January (non-ex)

Gerrit Vyn / Willow Ptarmigan (Lagopus lagopus) male standing on snow covered ground, vocalising in spring courtship. Males retain the white body plumage of winter plumage and molt the head and neck feathers to th...

Gerrit Vyn / Ruddy Duck (Oxyura jamaicensis) male in breeding plumage performing a "bubbling display"which is used in both courtship and aggressive territorial encounters. The male holds its head and tail and 2 ro...

Edwin Giesbers / Eastern green mamba {Dendroaspis angusticeps} strike pose, captive, from East Africa

Andy Rouse / Black swan (Cygnus atratus) drinking with reflection in water, UK

Graham Eaton / Grey Seal (Halichoerus grypus) head above water surface, Wales, UK, September

Wild Wonders of Europe / Allofs / Greater flamingo (Phoenicopterus roseus) scratching neck, in lagoon, Pont Du Gau, Camargue, France, April 2009. WWE BOOK. WWE INDOOR EXHIBITION

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

Tim Laman / Californian sealions (Zalophus californianus), one with fishing wire caught round its neck. Monterey Bay, California.

Anup Shah / Giraffe {Giraffa camelopardalis} head neck silhouette at sunset, Masai Mara GR, Kenya

Anup Shah / White backed vulture {Gyps africanus} head and neck covered in blood from feeding, Masai Mara GR, Kenya

Pete Oxford / Giraffe Weevil (Trachelophorus giraffa) only the males have this extraordinary neck like a mechanical digger, females are more modestly proportioned, Analamazoatra Special Reserve or Perinet, Madagasc...

Peter Blackwell / Juvenile giraffe head and neck portrait {Giraffa camelopardalis} Masai Mara, Kenya

Richard Du Toit / Cape Buffalo (Syncerus caffer) adult female at water hole with aquatic plants on her head, Sabi Sands Private Game Reserve, South Africa

Mitsuaki Iwago / African Lion (Panthera leo) females killing Burchell's Zebra (Equus burchellii), Serengeti National Park, Tanzania

Shin Yoshino / Masai Giraffe (Giraffa tippelskirchi) stretching neck to graze on upper leaves on tree, Botswana

Rolf Nussbaumer / Male Wild Turkey head and neck portrait {Meleagris gallopavo} Texas, USA.

Flip Nicklin / Polar Bear (Ursus maritimus) shaking off water from coat, Canada

ZSSD / Rothschild Giraffe (Giraffa camelopardalis rothschildi) portrait, native to Africa south of the Sahara

Michael Pitts / Laysan albatross display (Phoebastria immutabilis) Midway Atoll Pacific

John Downer / African hawk eagle head portrait {Hieraaetus spilogaster}. Zimbabwe, Africa.

Nigel Bean / Canada goose portrait {Branta canadensis} Surrey, UK

Colin Seddon / Whooper swan portrait {Cygnus cygnus} Scotland, UK

Ashok Jain / Fishermen wearing masks to protect from tiger attack. Sunderband, W Bengal, India. Tigers attack by biting back of neck, mask with prominent eyes intended to mislead and prevent tiger from attacking f...

Doug Gimesy / Microchip is inserted into the neck of a platypus (Ornithorhynchus anatinus) before being released back into the wild. Dartmouth, Victoria, Australia. May 2018.

Nick Garbutt / King penguin (Aptenodytes patagonicus), close up of neck feathers. Salisbury Plain, South Georgia. November.

Nick Garbutt / King penguin (Aptenodytes patagonicus), close up of neck feathers. Salisbury Plain, South Georgia. November.

Steven David Miller / Frilled-neck lizard (Chlamydosaurus kingii) camouflaged against tree stump. Mary River National Park, Northern Territory, Australia.

Steven David Miller / Frilled-neck lizard (Chlamydosaurus kingii) lying still, camouflaged against branch to avoid predators, Mary River National Park, Northern Territory, Australia.

Steven David Miller / Frilled-neck lizard (Chlamydosaurus kingii) lying still against branch to avoid predators, camouflaged against tree stump. Mary River National Park, Northern Territory, Australia.

Andy Rouse / Tawny owl (Strix aluco) looking around, reflected in a pond, showing articultion of its neck, UK, July.

George Sanker / Great blue heron (Ardea herodias) looking upwards with neck stretched. Everglades National Park, Florida, USA. March.

Oscar Dewhurst / Emperor Tamarin (Saguinus imperator) in a rainforest clearing. The animal is one of many being studied, hence the metal band hanging from its neck. Madre de Dios, Peru. March. Cropped

John Chan / Great horned owl (Bubo virginianus) chick perched in a tree looking around, showing neck rotation, Southern California, USA, June.