GEORGETTE DOUWMA / A rescued battery hen. They often lack feathers when they come out of the battery barns. UK.

GEORGETTE DOUWMA / Rescued battery hen. They often lack feathers when they come out of the battery barns. UK.

Patricio Robles Gil / Red junglefowl (Gallus gallus) amongst vegetation, Royal Chitwan NP, Nepal

GEORGETTE DOUWMA / Cockerel (Gallus gallus domesticus) and hens, UK

GEORGETTE DOUWMA / Cockerel (Gallus gallus domesticus) crowing in hen run, UK

GEORGETTE DOUWMA / Cockerel (Gallus gallus domesticus) in hen run, UK

GEORGETTE DOUWMA / Cockerel (Gallus gallus domesticus) in hen run, UK

GEORGETTE DOUWMA / Cockerel (Gallus gallus domesticus) walking out of hen house

Michael Durham / Domestic Chicken (Gallus domesticus), four and five week old Barred Rock chicks

Michael Durham / Domestic Chicken (Gallus domesticus), four week old Barred Rock chicks

Michael Durham / Domestic Chicken (Gallus domesticus), four week old Barred Rock chicks

Michael Durham / Domestic Chicken (Gallus domesticus), five week old Barred Rock chick

GEORGETTE DOUWMA / Newly laid chicken egg with feather on it, UK

GEORGETTE DOUWMA / Newly laid chicken egg with feather in egg box, UK

David Tipling / Cockerel crowing, Cornwall, UK

David Tipling / First place in chicken egg competition at Royal Norfolk Show, UK

David Tipling / Fighting cock tied to post, crowing, Narra, Palawan, Philippines

David Tipling / Fighting cock tied to perch, Narra, Palawan, Philippines

David Tipling / Brahma Cockerel crowing, Sussex, UK Not available for ringtone/wallpaper use.

Konstantin Mikhailov / Domestic chicken {Gallus gallus domesticus} cock crowing, portrait showing comb and wattle, Western Caucasus, Russia

Konstantin Mikhailov / Domestic chicken cock {Gallus gallus domesticus} head portrait with comb and wattle, Western Caucasus, Russia

LYNN M. STONE / Delaware breed rooster by old barn door and burlap potato sack, Iowa, USA

Ingo Arndt / Domestic Chicken (Gallus domesticus) egg and fetus, Germany

LYNN M. STONE / Domestic chicken, Cochin bantam rooster, USA

LYNN M. STONE / Domestic chicken, Cochin bantam rooster, USA

LYNN M. STONE / Domestic chicken, Cochin bantam rooster, on fence amongst sunflowers, USA

LYNN M. STONE / Domestic chicken, Gold laced wyandotte cock, in snow, USA

LYNN M. STONE / Domestic chicken, Welsummer rooster, USA

LYNN M. STONE / Domestic chicken, Buff Orpington rooster, USA

LYNN M. STONE / Domestic chicken, Buff Orpington rooster, USA

LYNN M. STONE / Domestic chicken, silver grey dorking cock, USA

LYNN M. STONE / Domestic chicken, Barred holland rooster, in snow, USA

LYNN M. STONE / Domestic chicken, Barred holland rooster, in snow, USA

LYNN M. STONE / Domestic chicken, Lakenvelder rooster, USA

LYNN M. STONE / Domestic chicken, Welsummer rooster, USA

Duncan Usher / Domestic Chicken (Gallus domesticus) hen with chicks, Texel, Netherlands

Duncan Usher / Domestic Chicken (Gallus domesticus) hen foraging with chicks, Texel, Netherlands

Duncan Usher / Domestic Chicken (Gallus domesticus) hen foraging with chicks, Texel, Netherlands

Duncan Usher / Domestic Chicken (Gallus domesticus) hen, Bavaria, Germany

Nick Garbutt / Head portrait of Indian Grey / Sonnerat's Jungle Fowl (Gallus sonneratii) captive, Marwell Zoological Park, UK.

Rod Williams / La Fayette's junglefowl {Gallus lafayetii} male, captive, from Sri Lanka

Silvia Reiche / Domestic Chicken (Gallus domesticus) hen with chicks foraging, Hoogeloon, Netherlands

Silvia Reiche / Domestic Chicken (Gallus domesticus) hen with chick, Hoogeloon, Netherlands

Silvia Reiche / Domestic Chicken (Gallus domesticus) hen with chicks, Hoogeloon, Netherlands

Silvia Reiche / Domestic Chicken (Gallus domesticus) chick, Hoogeloon, Netherlands

Silvia Reiche / Domestic Chicken (Gallus domesticus) hen with chicks, Hoogeloon, Netherlands

Dave Bevan / Domestic hens {Gallus gallus domesticus} peck over to clean raised flower beds before planting, Carmarthenshire, Wales, UK, march

Barry Bland / Domestic chicken chick {Gallus gallus domesticus}

Barry Bland / Domestic chicken chick {Gallus gallus domesticus}

Gary K. Smith / Soft Boiled Egg in egg cup, with toast soldiers

David Tipling / Red junglefowl (Gallus gallus) amongst fallen leaves, Bandavgargh National Park, Central India

Rob Cousins / Buff Orpington chicken (Gallus gallus domesticus), UK

Rob Cousins / Buff Orpington chicken (Gallus gallus domesticus), UK

Gary K. Smith / Farmyard chickens (Gallus gallus domesticus) free range on sunny hedgebank, Norfolk, England, UK, February

Michael Durham / Domestic Chicken (Gallus domesticus), banty morph, hatchling with egg shell

Michael Durham / Domestic Chicken (Gallus domesticus), banty morph, hatchling

Michael Durham / Domestic Chicken (Gallus domesticus) hatchling in egg shell

Michael Durham / Domestic Chicken (Gallus domesticus) hatchling with egg shell

Michael Durham / Domestic Chicken (Gallus domesticus) chicks showing genetic variation used to bring out traits that help poultry producers

Michael Durham / Domestic Chicken (Gallus domesticus), banty morph, about one week after hatching

Michael Durham / Domestic Chicken (Gallus domesticus), banty morph, about one week after hatching

Colin Monteath / Domestic Chicken (Gallus domesticus) free range organic farm, North Island, New Zealand

Colin Monteath / Domestic Chicken (Gallus domesticus) free range organic farm, North Island, New Zealand

Gary K. Smith / Baby chickens {Gallus gallus domesticus} under heat lamp, Norfolk, UK, May

Mitsuaki Iwago / Domestic Chicken (Gallus domesticus) hen, rooster and chicks, North America

Nature Production / Domestic Chicken (white leghorn) male {Gallus gallus domesticus}

Nick Garbutt / Male Lance nosed chameleon {Calumma gallus} Madagascar

Pete Cairns / Free range domestic hens {Gallus gallus domesticus), feeding in front of Grampian Mountains, Cairngorms National Park, Scotland, UK

Pete Cairns / Domestic chickens / hens {Gallus gallus domesticus), free range, feeding on "mash" - mixture of grain and oats, Scotland, UK

Pete Cairns / Domestic chicken / hen {Gallus gallus domesticus), Black Rock strain roaming free range on Scottish farm, Scotland, UK

Pete Cairns / Domestic chicken / hen {Gallus gallus domesticus), Black Rock strain roaming free range on Scottish farm, Scotland, UK

Pete Cairns / Domestic chicken / hen {Gallus gallus domesticus), Black Rock strain roaming free range on Scottish farm, Scotland, UK

Pete Cairns / Domestic chicken / hen {Gallus gallus domesticus), Black Rock strain roaming free range on Scottish farm, Scotland, UK

Pete Cairns / Domestic chicken / hen {Gallus gallus domesticus), Black Rock strain roaming free range on Scottish farm, Scotland, UK

Constantinos Petrinos / Man attaching blades to rooster's {Gallus gallus domesticus} leg for cock fighting, North Sulawesi, Indonesia 2000.

Constantinos Petrinos / Illegal Cock fighting 'game', Northern Sulawesi, Indonesia. Note - roosters have knives on their legs 2000.

Constantinos Petrinos / Man holding rooster {Gallus gallus domesticus} for illegal cock fighting, Northern Sulawesi, Indonesia. Note - knives attached to rooster's legs 2000.

John Downer / Man watching cock {Gallus gallus domesticus} fighting, Bali, Indonesia

John Downer / Cock {Gallus gallus domesticus} fighting, Bali, Indonesia

John Downer / Cock {Gallus gallus domesticus} fighting, Bali, Indonesia

John Downer / Cock {Gallus gallus domesticus} fighting, Bali, Indonesia

LYNN M. STONE / Domestic chicken {Gallus gallus domesticus} rooster amongst Daffodils, USA

LYNN M. STONE / Domestic chicken {Gallus gallus domesticus} rooster amongst Daffodils, USA

LYNN M. STONE / Domestic chicken {Gallus gallus domesticus} amongst Daffodils, USA

LYNN M. STONE / Domestic chicken, chick {Gallus gallus domesticus} amongst Pansies, USA

George McCarthy / Domestic Chicken {Gallus gallus domesticus} cockerel, Lesvos, Greece

Bjorn Forsberg / Domestic chicken in hen run {Gallus gallus domesticus} Sweden

GEORGETTE DOUWMA / Adult cock / rooster head profile with fully developed wattle and comb, UK. Hen

GEORGETTE DOUWMA / Chickens {Gallus gallus domesticus} in hen house, UK.

Simon Colmer / Light Sussex free range Domestic chicken / hen {Gallus gallus domesticus} UK

LYNN M. STONE / Domestic chicken, Americana breed {Gallus gallus domesticus} USA.

GEORGETTE DOUWMA / Domestic chicken {Gallus gallus domesticus} rooster and hen. UK

GEORGETTE DOUWMA / Domestic chicken sitting {Gallus gallus domesticus} UK

Jane Burton / Domestic chicken, White leghorn cockerel crowing.

Tony Heald / Red junglefowl cock {Gallus gallus} Bandhavgarh NP, India.

Jane Burton / Portrait of a chick {Gallus gallus domesticus} 3-week-old