Throughout history, horses have played an irreplaceable role in warfare, serving as transport, cavalry, and logistical support. World War I (1914–1918) saw an unprecedented reliance on equine power, with an estimated 8 million horses, donkeys, and mules used during the conflict—many of whom perished due to exhaustion, starvation, disease, or enemy fire.
One widely circulated image appears to capture this sacrifice—a photograph of 650 soldiers standing in the formation of a horse’s head, said to be a tribute to the horses killed in battle. However, historical research reveals a different story. This article explores the truth behind the image, the role of horses in WWI, and the lasting impact of their contributions.
The Iconic Photograph: A Tribute or Misinterpretation?
A sepia-toned photograph taken in 1919 at Camp Cody, New Mexico, shows hundreds of soldiers standing in formation to create the outline of a horse’s head. The image has been widely shared on social media with claims that it was meant to honor the 8 million warhorses lost during World War I.
However, historical records indicate that:
- The photo was taken after WWI ended, not during the war.
- It was a tribute to a single horse, “The Devil,” belonging to Maj. Frank G. Brewer, commander of an Army remount station.
- It was part of a popular photographic trend known as “living photography,” where large groups of people were arranged to form patriotic symbols.
While the image remains a powerful representation of the bond between soldiers and their horses, there is no evidence it was intended as a memorial for all fallen warhorses.
The Scale of Equine Sacrifice in World War I

World War I saw the largest deployment of horses in military history, as mechanized warfare had yet to fully replace them. Across the major fronts, millions of equine animals were used in combat, transport, and logistics:
- Britain: Over 1 million horses were sent to the front lines. Only 62,000 returned.
- France: Estimated to have used at least 1.5 million horses, suffering heavy losses.
- Germany & Austria-Hungary: Fielded nearly 2 million horses, many of whom died due to exhaustion and poor conditions.
- United States: Sent more than 1 million horses and mules overseas, many of which never returned.
Horses were not only vulnerable to gunfire, gas attacks, and shell explosions but also suffered from disease, starvation, and the harsh realities of trench warfare.
How Horses Were Used in World War I
Despite advances in mechanized warfare, horses remained essential for their endurance, speed, and ability to traverse rough terrain. They played key roles in:
- Cavalry Charges – Early in the war, horses were still used in direct combat, although these tactics became obsolete against machine guns and barbed wire.
- Artillery Transport – Horses pulled heavy artillery, as tanks and motor vehicles were still unreliable.
- Supply Lines – Thousands of horses and mules transported ammunition, food, and medical supplies across muddy, bombed-out landscapes.
- Ambulance Services – Horse-drawn ambulances evacuated wounded soldiers, often under enemy fire.
- Messenger Services – Horses provided a crucial link between commanders and the battlefield when telegraph lines were cut.
By the later years of WWI, the use of horses had shifted primarily to transport, as trench warfare made traditional cavalry nearly impossible.
The Emotional Connection Between Soldiers and Their Horses

For many soldiers, their horses were more than just tools of war—they were companions in the harshest conditions. Soldiers often named their horses, fed them by hand, and even shared their rations when supplies ran low.
- Some troops wrote poems and letters about their horses, expressing gratitude for their loyalty and endurance.
- Warhorses were often given ceremonial burials, especially when an officer’s personal horse was lost.
- The psychological impact of losing a trusted horse was devastating for soldiers already dealing with the horrors of war.
This deep connection makes it understandable why an image like the Camp Cody horse formation resonated so strongly, even if it was later misinterpreted.
How Many Horses Survived the War?
The end of WWI did not guarantee safety for the surviving horses. Transporting horses back home was expensive, and many governments chose to sell them instead:
- The U.S. Army sold thousands of horses to farmers and butchers in France and Belgium.
- British horses that survived were often either sold or euthanized due to government policies.
- Charities like the Blue Cross and RSPCA fought to rescue and rehome warhorses when possible.
Sadly, many horses never returned to their home countries, despite their immense contributions.
The Role of Remount Depots in Training Warhorses
Camp Cody, where the infamous horse formation photo was taken, was one of many remount depots that trained and conditioned horses for battle. These depots:
- Provided veterinary care to injured horses.
- Trained horses to carry heavy loads and withstand gunfire.
- Helped transition wild or untrained horses into disciplined war animals.
The men stationed at these depots often developed a strong bond with their horses, which may explain why they honored Maj. Brewer’s horse “The Devil” with the famous formation.
WWI’s Lasting Impact on Military Horses

The First World War marked the beginning of the end for military horses as machines took over their roles. By World War II, tanks, trucks, and airplanes had largely replaced cavalry and horse-drawn transport.
However, the legacy of WWI’s warhorses lives on in multiple ways:
- Memorials for fallen warhorses exist in Britain, France, and Australia, acknowledging their sacrifice.
- The development of modern veterinary care was accelerated due to wartime equine medicine.
- The importance of animal welfare in warfare became a recognized issue, leading to more humane treatment of military animals in later conflicts.
How Modern Historians Remember WWI’s Warhorses
While the famous Camp Cody horse formation wasn’t originally a war memorial, historians still recognize the immense sacrifices of WWI’s horses. Today:
- Documentaries and books highlight their role in shaping military history.
- Organizations like The Brooke Foundation continue to advocate for working animals worldwide.
- Efforts to properly document the contributions of animals in war ensure their legacy isn’t forgotten.
Despite initial misinterpretations, the iconic image of soldiers forming a horse’s head remains a powerful reminder of the role animals played in warfare.
Conclusion: A Symbol of Sacrifice and Resilience
Though the 650-soldier horse formation was not originally meant as a WWI horse memorial, its imagery still evokes the spirit of millions of equine animals who served and suffered in war.
Horses were not just tools of war—they were lifelines for soldiers, carrying them through the deadliest conditions. Whether in muddy trenches, carrying heavy loads, or dragging cannons through the battlefield, these animals faced the same horrors of war as human soldiers.
Their contributions should never be forgotten, and while this particular photograph might not have been intended as a tribute to all warhorses, it has—over time—become a symbol of their courage, endurance, and sacrifice.
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