The Difference Between Horses and Ponies

What Distinguishes Horses from Ponies and Why the Lines are Sometimes Blurred

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The largest draft horses and the smallest ponies are all members of the same species, equus caballus . Image Credit: Paul Harris/Getty Images

Ponies and horses are more similar than they are different. One thing that ponies are not, that many people are mistaken about, is that they are not baby horses. Both are of the same species, equus caballus and come from the same family tree. Ponies stay small their whole life, maturing more quickly than horses. Pony foals are tiny, and will mature to the approximate size of their parents. Horses are slower growing, some not attaining full mature size until they are six or seven years of age.

The most obvious difference between a horse and a pony is size. For most purposes, a pony is under 14.2 hands high if you ride English, and under 14 hands if you’re a western rider. This size distinction varies between places too and often they are arbitrary sizes set for the show ring. Some horses are more pony-ish in their behavior and physiology, and some ponies more horse-like. In fairness to the riders and these mounts though, these size standards help prevent ponies and small horses from having to show against larger animals, that because of their size might have an advantage. It also isn’t very safe to have very small children on tiny ponies riding around the same ring with large horses.

Some breeds that are under the 14.2/14 hand mark are considered horses. Examples would be the Miniature Horse and the Icelandic Horse. Both are the size of ponies, but are called horses. In the case of the Miniature Horse, most will have small ponies, such as Shetlands in their pedigrees, and it’s unlikely to find any actual horse breeds.

Others like the Welsh Pony,  will have individuals above the pony height standards, but may still be regarded as a pony. Some horses breeds have individuals of pony size, such as the Morgan Horse, American Quarter Horse and many gaited breeds such as the Paso Fino and Kentucky Mountain Horse.

Some differences between horses and ponies may not be as easy to spot as the size.

Horses and ponies often have very different temperaments. Ponies tend to be more stoic and intelligent than larger horses. It’s a mistake to see this as docility. They can be quite wily, which is why it’s sometimes easier to find a quite horse for a child than a reliable pony. Ponies are very adept at avoiding work and withstanding the consequences. Horses can be quieter, and often the larger the breed, the more docile they are. This depends largely on what the breed was developed for.

Ponies are incredibly strong for their size. They are more hardy than horses and can withstand greater ranges in temperature. Their coats tend to grow thicker in the winter , which often don’t shed out until the hottest days of summer and begin to grow back in as soon as the day start to shorten. They have thicker manes and tails.  Their hooves tend to be tougher. They are heavier boned and shorter legged in proportion to their bodies compared to horses.

Ponies can eke out nutrition from pasture that a horse would starve on.

In fact, it’s very easy to overfeed a pony, which makes them more prone to founder and laminitis than horses. Feeding a pony takes a slightly different approach than feeding horses. While some horses can be  ‘hard keepers’ most ponies are the extreme opposite, apparently putting on weight just looking at the grass on the other side of the fence. A pony that is a hard keep is rare, and it may be an indication of a health problem.

Ponies also tend to live longer than horses.  It’s not unusual for ponies to live beyond thirty years of age, and many world record holders for the oldest equines are ponies. Many ponies are still used for riding and driving into their late 20s.