Horse

The horse (Equus ferus caballus) is a domesticated, odd-toed ungulate mammal that has been central to human civilization for over 5,000 years. One of the most versatile animals ever tamed, horses have served as transportation, agricultural workers, war mounts, and companions. Today roughly 60 million horses live worldwide, found on every continent except Antarctica. Their powerful build, speed, and intelligence made them invaluable partners in the development of human societies across the globe.

Horses are large, muscular mammals with long legs built for speed and endurance. They range in height from 1.4 to 1.8 metres at the shoulder (measured in 'hands') and weigh 380–1,000 kg depending on breed. Their single toe on each foot is protected by a hard hoof. The horse's large eyes are positioned on the sides of the head, giving nearly 360-degree vision. A flowing mane runs along the neck and a long tail provides defence against insects.

Horses are highly social animals that live in hierarchical herds led by a dominant stallion and experienced mares. They communicate through body language, facial expressions, vocalizations such as neighing and whinnying, and touch. Horses have an excellent memory and form strong bonds with both other horses and familiar humans. They are flight animals whose primary defence is running from predators.

Horses are non-ruminant herbivores with a hindgut fermentation system. They graze for up to 18 hours a day, consuming primarily grasses, hay, and other forage. An average horse eats about 2–2.5% of its body weight in forage daily. They also eat fruits, vegetables, and grain supplements. Their continuously growing teeth are well adapted to grinding tough plant material.

Mares have an 11-month gestation period and typically give birth to a single foal, though twins occasionally occur. Foals can stand within one to two hours of birth and are running within hours — a critical survival adaptation against predators. Mares usually foal in spring when food is plentiful. Sexual maturity is reached at around 18 months, but horses are not fully physically mature until age four or five.

Few animals have shaped human history as profoundly as the horse. Domesticated around 3500 BCE on the Eurasian steppe, horses revolutionized travel, warfare, agriculture, and trade. Today they serve in sport, recreation, therapy, and as working animals in some regions. Equestrian sports including racing, show jumping, and dressage remain globally popular. Horses also hold deep cultural significance in mythology, art, and national symbols worldwide.