Some horses live in the wild. 

Some horses live free in nature. 

These groups are called herds. A female horse often leads the group. She stays with her young babies.
In the West, people call them mustangs. They live on many kinds of land. Some live on islands near the sea. Some live in big plains.
These horses can be very strong. They find their own food to eat. They live away from people now.
It is amazing to see them roam.
A feral horse is a horse that lives free in nature. 
Feral horses live in groups called herds. 
Many famous feral horses live in the American West. People often call them mustangs. There are about 300,000 of them in the United States today. In Australia, people call them brumbies. Australia has the largest population of feral horses. There are about 400,000 there. Some horses also live on islands. For example, Chincoteague ponies live on Assateague Island. 
A feral horse is a horse that lives free in nature. 

Feral horses live in groups called herds or bands. 
Many famous feral horses live in the American West. People often call these horses mustangs. Some escaped when Spanish explorers arrived in the 15th century. Today, there are about 300,000 horses in the United States. The Wild and Free-Roaming Horses and Burros Act of 1971 protects them. You can find them in many places like Nevada or Georgia. Some horses live on islands like Assateague or Sable Island. These horses may have come from shipwrecks or settlers.
Feral horses live all over our big world. 
Feral horses can change the land where they live. This can be a hard job for the environment. In places like Australia, they are an introduced species. They might eat too much grass or change the soil. This can hurt the native animals living there. Sometimes, people argue about how to manage them. Some people want to protect them for history. Others worry about the land or farm fences. Managers may use many ways to help the land stay healthy.
A feral horse is a free-roaming animal descended from domesticated stock. It is important to distinguish feral horses from truly wild animals. A wild animal comes from a lineage that was never domesticated by humans. In contrast, feral horses are the offspring of domestic horses that escaped, strayed, or were released into the wild. Once they live away from human contact, their behaviors gradually revert to patterns that resemble wild horses. Some animals are classified as semi-feral. These are horses that live in a feral state but are occasionally handled or managed by people, such as private owners. 
Feral horses organize themselves into social groups known as herds, bands, harems, or mobs. Most herds are structured around small harems. These harems are typically led by a dominant mare, which is a female horse. The group usually includes other mares, their foals, and immature horses of both sexes. A single stallion, or male horse, usually leads the group, though sometimes a few less-dominant males stay with the band. Larger horse "herds" are actually collections of several small bands sharing the same territory. While a band might only have three to five animals, some can exceed a dozen. These groups change over time as young animals join new bands or as young stallions challenge older males for dominance.
Maintaining a healthy population requires careful attention to numbers. In a closed ecosystem, such as an isolated refuge, a specific population size is needed to ensure genetic diversity. For a sustainable population of free-roaming horses or burros, the minimum size is generally between 150 and 200 animals. Without this diversity, the long-term health of the group could be at risk. 
History shows how these populations spread across the globe. In the Americas, the most famous examples are the mustangs of the American West. These horses descended from animals reintroduced by Spanish conquistadors starting in the 15th century. Today, about 300,000 horses live across various lands in the United States. Some populations live on isolated islands, such as Assateague Island or Sable Island. Some island horses may have descended from animals that swam ashore after shipwrecks. Others might have been brought by settlers and then left to reproduce freely. 
Feral horses also exist in many other regions with unique histories. In Australia, there are about 400,000 horses known as brumbies, which descended from British settlers' animals. This is the largest feral horse population in the world. In Asia, the only truly wild horses are Przewalski's horses. However, a feral herd of about 79 horses lives in India's Dibru-Saikhowa National Park, descended from animals that escaped army camps during World War II. In Bosnia and Herzegovina, over 700 horses live near Cincar Mountain. These horses were set free in the 1950s and have been protected since 2010. 
Managing these populations can be a complex and controversial task. Feral horses can impact their environments in different ways. If they are an introduced species, like in Australia, they can cause significant changes to soil and vegetation through overgrazing. This can also affect native animal species. In the Western United States, there is often debate regarding land use. Livestock producers sometimes want to remove feral horses to allow more grazing for cattle or sheep. Conversely, advocates argue for the protection of horses and suggest reducing domestic livestock instead.
To manage these populations, different methods are used worldwide. Some nations use culling, which involves capturing excess animals for sale or adoption. In some cases, more controversial methods like shooting or selling animals for slaughter are used. Another method is fertility control, though this is expensive and must be repeated regularly. Some populations, like the Chincoteague ponies or Japan's Misaki horses, are managed to support local tourism. These animals are often seen as having significant historical or sentimental value to their regions.
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