Kristel Richard / Head portrait of a rare grey Yorkshire Dales gelding (Equus caballus) with long mane, at Glanusk Estate, Wales, UK

Carol Walker / Purebred Friesian gelding trotting out of the sea, Summerland Beach, Ojai, California, USA

Carol Walker / Black Friesian gelding trotting in field, Longmont, Colorado, USA

Carol Walker / Black Friesian gelding trotting in field, Longmont, Colorado, USA

Carol Walker / Black Friesian gelding trotting in field, Longmont, Colorado, USA

Carol Walker / Bay Thoroughbred {Equus caballus} gelding, Longmont, Colorado, USA.

Kristel Richard / Staff riding a gelding UVM Morgan horse, showing typical high leg action, at historic UVM Morgan Horse Farm, Weybridge, Vermont, USA

Kristel Richard / Canadian Horse gelding tows a passenger boat, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. September 2016. Critically Endangered

Kristel Richard / Canadian Horse gelding tows a passenger boat, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Crictically endangered horse breed.

Kristel Richard / Canadian Horse gelding tows a passenger boat, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Critically Endangered horse breed.

Kristel Richard / Canadian Horses gelding pulling an ancient grass cutter, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Critically Endangered horse breed.

Kristel Richard / Canadian Horse gelding activates a sawing machine to cut wood, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Critically endangered horse breed.

Kristel Richard / Canadian Horse gelding waits while his wagon is filled with flour bags, at Upper Canada Village Museum, Morrisburg, Ontario, Canada Critically endangered horse breed

Kristel Richard / Candian horse gelding pulling cart through Upper Canada Village Museum, Ontario, Canada, September 2016.

Kristel Richard / Canadian Horse gelding pulls a trailer, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Critically Endangered horse breed.

Kristel Richard / A Canadian Horse gelding activates a sawing machine to cut wood, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Critically Endangered horse breed.

Florian Möllers / Icelandic horse 'Orlando', gelding, 7 years old, flehmen, close-up, Bohmte, Germany.

Carol Walker / Girl riding Arabian gelding through waves, Ojai, California, USA, model released

Carol Walker / Boy riding Arabian gelding bareback through sea, Ojai, California, USA, model released

Carol Walker / Boy riding Arabian gelding bareback through sea, Ojai, California, USA, model released

Kristel Richard / A traditionally dressed cowboy tries to remain on a bronc (unbroken) Quarter gelding, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay, January 2012

Kristel Richard / A traditionally dressed cowboy tries to remain on a bronc (unbroken) Quarter gelding, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay, January 2012

Carol Walker / Black quarter horse running in paddock, Colorado, USA

Carol Walker / Black quarter horse running in paddock, Colorado, USA

LYNN M. STONE / Appaloosa Horse (Equus caballus) gelding, leopard type, standing in deep snow in an open field. Elburn, Illinois, USA, February.

LYNN M. STONE / Appaloosa Horse (Equus caballus) gelding, leopard type, standing in deep snow by spruce trees. Elburn, Illinois, USA, February.

Kristel Richard / A Gardian (Traditional French cowboy) riding a Camargue gelding catches a Camargue bull by its tail, Camargue, Provence, France. June 2008

Kristel Richard / Grey Yorkshire Dales gelding (Equus caballus) and rider at Glanusk Estate, Wales, UK

Kristel Richard / Domestic horse, a rare native bay Kiso gelding running in a forest, Kiso County, Nagano Prefecture, Japan. 2009

Kristel Richard / Domestic horse, a rare native bay Kiso gelding standing in a forest, Kiso County, Nagano Prefecture, Japan. 2009

Carol Walker / Woman riding purebred black Friesian gelding, USA Model released

Carol Walker / Black Friesian gelding running, Castle Rock, Colorado, USA

Carol Walker / Sorrel Paso Fino stallion with bay Paso Fino gelding in Morrison, Colorado, USA

Carol Walker / Purebred bay Rocky Mountain gelding cantering, Castle Rock, Colorado, USA

Carol Walker / Bay Peruvian Paso gelding running in the snow at Flitner Ranch, Shell, Wyoming, USA

Carol Walker / Dutch Warmblood gelding with rider, Castle Rock, Colorado, USA Model released

Carol Walker / Purebred Friesian gelding and woman running along beach, Summerland Beach, Ojai, California, USA Model released

Carol Walker / Purebred black Friesian gelding with owner at Summerland Beach, Ojai, California, USA Model released

Carol Walker / Close up of eye of black Morgan gelding, Fort Collins, Colorado, USA

Carol Walker / Purebred sorrel Quarter horse gelding cantering, Longmont, Colorado, USA

Carol Walker / Purebred sorrel Quarter horse gelding, Longmont, Colorado, USA

Carol Walker / Woman riding purebred black Friesian gelding, USA Model released

Carol Walker / Westfalen gelding, Longmont, Colorado, USA

Carol Walker / Young girl with sorrel Quarter Horse gelding, Longmont, Colorado, USA, model released

Carol Walker / Cowboy riding grey Quarter horse gelding, Flitner Ranch, Shell, Wyoming, USA, model released

Carol Walker / Young girl leading sorrel Quarter Horse gelding, Longmont, Colorado, USA, model released

Carol Walker / Liver Chestnut gelding running in fields, Longmont, Colorado, USA

Carol Walker / Bay German Wamblood gelding running in snow, Elizabeth, Colorado, USA

Carol Walker / Grey half Andalusian gelding with traditional fly switch on bridle, Longmont, Colorado, USA

Carol Walker / Cowboy riding paint horse gelding down hill, Flitner Ranch, Shell, Wyoming, USA, model released

Carol Walker / Liver chestnut thoroughbred gelding trotting in paddock, Longmont, Colorado, USA

Carol Walker / Norwegian fjord young stallion, paint gelding and bay Thoroughbred gelding running together in snow, Berthoud, Colorado, USA

Carol Walker / Bay Morgan gelding running in paddock, Falcon, Colorado, USA

Carol Walker / Paint gelding standing in field, Longmont, Colorado, USA

Carol Walker / Bay Dutch Warmblood gelding running in pasture, Longmont, Colorado, USA

Carol Walker / Liver Chestnut gelding running in field, Longmont, Colorado, USA

Carol Walker / Liver Chestnut gelding running in field, Longmont, Colorado, USA

Carol Walker / Paint gelding trotting in field, Longmont, Colorado, USA

Carol Walker / Cowboy riding grey Quarter horse gelding, Flitner Ranch, Shell, Wyoming, USA, model released

Carol Walker / Paint gelding, Longmont, Colorado, USA

Carol Walker / Bay half Andalusian / half Percheron gelding and bay Quarter Horse gelding running together in field, Castle Rock, Colorado, USA

Carol Walker / Woman riding bay thoroughbred gelding at extended trot, Longmont, Colorado, USA, model released

Carol Walker / Woman riding grey thoroughbred gelding, Longmont, Colorado, USA, model released

Carol Walker / Woman riding Grey half Andalusian gelding practising Spanish walk dressage step, Longmont, Colorado, USA, model released

Carol Walker / Woman with Bay Appendix Quarter horse gelding, Castle Rock, Colorado, USA, model released

Carol Walker / Woman jumping grey thoroughbred gelding, Longmont, Colorado, USA, model released

Carol Walker / Woman riding Grey half Andalusian gelding practising Passage dressage step, Longmont, Colorado, USA, model released

Carol Walker / Westfalen bay gelding, Longmont, Colorado, USA

Carol Walker / Woman riding black Friesian gelding at trot, Longmont, Colorado, USA, model released

Carol Walker / Woman riding Westfalen gelding practising the half pass dressage step, Longmont, Colorado, USA, model released

Carol Walker / Black Friesian gelding running in field, Longmont, Colorado, USA

Carol Walker / Bay half Andalusian / half Percheron gelding and bay Quarter Horse gelding running together in field, Castle Rock, Colorado, USA

Carol Walker / Westfalen bay gelding running in field, Longmont, Colorado, USA

Carol Walker / Woman cantering chestnut thoroughbred gelding, Longmont, Colorado, USA, model released

Carol Walker / Black Friesian gelding, Longmont, Colorado, USA

Carol Walker / Grey Arabian gelding trotting in field in front of barn, Boulder, Colorado, USA

Carol Walker / Woman riding Westfalen gelding to extended trot, Longmont, Colorado, USA, model released

Carol Walker / Black Friesian gelding, Longmont, Colorado, USA, model released

Carol Walker / Woman trotting Westfalen gelding, Longmont, Colorado, USA, model released

Carol Walker / Morgan gelding and girl in Longmont, Colorado, USA model released

Carol Walker / Woman riding Bay Appendix Quarter horse gelding, Castle Rock, Colorado, USA, model released

Carol Walker / Black Friesian gelding, Longmont, Colorado, USA

Carol Walker / Grey Arabian gelding running in field, Boulder, Colorado, USA

Carol Walker / Chestnut Dutch Warmblood (Equus caballus), gelding running in the snow. Longmont, Colorado.

Carol Walker / Paint horse (Equus caballus), gelding trotting at Sombrero Ranch, Craig, Colorado.

Carol Walker / Chestnut Dutch Warmblood (Equus caballus), gelding with owner. Longmont, Colorado. Model released.

Carol Walker / Gelding portrait {Equus caballus} half Trakaener, half Lippizaner. Longmont, Colorado, USA.

Carol Walker / Cowboy riding red dun Quarter horse gelding and leading chestnut Quarter horse gelding through snow, Bethoud, Colorado, USA. Model released.

Carol Walker / Cowboy riding red dun Quarter horse gelding and leading chestnut Quarter horse gelding through snow, Bethoud, Colorado, USA. Model released.

Carol Walker / Woman riding bay Quarter horse gelding, trotting in snow, Longmont, Colorado, USA. Model released.

Carol Walker / Woman with bay Quarter horse gelding and yellow Labrador retreiver, in snow Longmont, Colorado, USA.

Carol Walker / Cowboy riding red dun Quarter horse gelding in snow, Berthoud, Colorado, USA.

Carol Walker / Bay Thoroughbred gelding with headcollar and lead rope, Fort Collins, Colorado, USA.

Carol Walker / Chestnut Arabian gelding head profile, Boulder, Colorado, USA.

Carol Walker / Cowboy cantering through snow on chestnut red dun Quarter Horse gelding, Berthoud, Colorado, USA. Model released.

Carol Walker / Woman handling chestnut Arabian gelding in field, Boulder, Colorado, USA