A group of horses are being called different names. Rag, Team, String, Harras, Stud, Stable, Herd, Troop, and band of horses are the nine different collective nouns. So, what is a group of horses called? What is correct?
These names differ based on the context and the gender of the horses in question, as well as other criteria such as the horses’ role.

When is a Group of Horses Called a Rag?
The term rag refers to a group of colts. The colts are four-year-old or younger uncastrated male horses.
This is something you’ll see in wild horses, not on domesticated ones.
What is a Team of Horses?
When horses participate in team activities, they are often referred to as a team. This could be used to describe a team of horses dragging a plow or dray.
When horses participate in competitive activities as a group, they are referred to as a team.
What is a Stable of Horses?
A group of domesticated horses housed in a stable or barn.
When Do You Call a Group of Horses a Stud?
A stud of horses is a group raised purely for the purpose of mating.
What is a String of Horses?
A string is a group of horses that are employed by or belong to a single person. The term “string” can also apply to ponies.
When Do You Call a Group of Horses a Harras?
This is an alternative term for a stud farm. This is frequently used in French-speaking countries. In English-speaking countries, this word is rarely used.
What is a Herd of Horses?
A herd is the most common term used to describe a group of horses. This is because horses are sociable animals that display herd behavior.

What is a Troop of Horses?
A horse troop is a group of horses that serve in the military or as horse guards.
What is a Band of Horses?
A band is a social group of horses. There are two sorts of bands among wild horses: harem bands and bachelor bands.
The harem bands consist of one adult stallion and several mares he has attracted, as well as their young. The stallion is not in command, but he has specific responsibilities. Instead, the band is commanded by the lead mare.
Bachelor bands are groups of young stallions who do not have mares.

The 5 Factors That Determine Collective Nouns for Horses
• The type of the Horse
• The usage type of the Horse
• Horses’ captivity (Wild or Domestic)
• The Horse’s gender.
• Patterns of horse behavior
What are the Different Names Associated With a Horse?
• A male horse is called a stallion.
• A female horse is called a mare.
• A baby horse that is less than a year old is called a foal. (Not gender-specific)
• When a horse turns one, it is called a yearling.
• A male baby horse is called a colt
• female baby horse is a filly.

What is a Group of Horses Called? Conclusion
Humans first domesticated horses approximately 4000 BC, and their domestication is thought to have spread by 3000 BC.
Horses and humans interact in a wide range of sports and non-competitive recreational hobbies, as well as in jobs like law enforcement, entertainment, farming, and therapies.
Horses have historically been employed in warfare, giving rise to a vast range of riding and driving techniques that employ a wide range of equipment and control systems.
What is a group of horses called doesn’t have a straightforward answer. You get nine collective nouns for horses which varies depending on the situation, gender, type, behavior, and usage.