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65-619: The average height of the Swedish Vallhund, measured at the withers , is approximately 33 cm (12.9 in) for males and 31 cm (12.2 in) for females. They are strong, with a long body. The ratio of height to body length is about 2:3. The head of the Vallhund is wedge-shaped, with dark brown oval eyes and pricked ears. They are born with every variance of tail length, from no tail at all to full length, therefore they are often mistaken for having been docked . (Tail docking

130-454: A clear hierarchy of rank, led by a dominant individual, usually a mare. They are also social creatures that are able to form companionship attachments to their own species and to other animals, including humans. They communicate in various ways, including vocalizations such as nickering or whinnying, mutual grooming , and body language . Many horses will become difficult to manage if they are isolated, but with training, horses can learn to accept

195-428: A constant eye out for danger. Unlike humans, horses do not sleep in a solid, unbroken period of time, but take many short periods of rest. Horses spend four to fifteen hours a day in standing rest, and from a few minutes to several hours lying down. Total sleep time in a 24-hour period may range from several minutes to a couple of hours, mostly in short intervals of about 15 minutes each. The average sleep time of

260-473: A full 60 calendar months (five years) old. The horse skeleton averages 205 bones. A significant difference between the horse skeleton and that of a human is the lack of a collarbone —the horse's forelimbs are attached to the spinal column by a powerful set of muscles, tendons, and ligaments that attach the shoulder blade to the torso. The horse's four legs and hooves are also unique structures. Their leg bones are proportioned differently from those of

325-640: A high level of intelligence that may or may not be used to cooperate with human handlers. Small size, by itself, is not an exclusive determinant. For example, the Shetland pony which averages 10 hands (40 inches, 102 cm), is considered a pony. Conversely, breeds such as the Falabella and other miniature horses , which can be no taller than 76 centimetres; 7.2 hands (30 in), are classified by their registries as very small horses, not ponies. Horses have 64 chromosomes . The horse genome

390-439: A higher rate of gastric ulcers than horses listening to music, and racehorses stabled where a radio was played had a higher overall rate of ulceration than horses stabled where there was no radio playing. Horses have a great sense of balance, due partly to their ability to feel their footing and partly to highly developed proprioception —the unconscious sense of where the body and limbs are at all times. A horse's sense of touch

455-413: A human as a companion, and thus be comfortable away from other horses. However, when confined with insufficient companionship, exercise, or stimulation, individuals may develop stable vices , an assortment of bad habits, mostly stereotypies of psychological origin, that include wood chewing, wall kicking, "weaving" (rocking back and forth), and other problems. Studies have indicated that horses perform

520-420: A human. For example, the body part that is called a horse's "knee" is actually made up of the carpal bones that correspond to the human wrist . Similarly, the hock contains bones equivalent to those in the human ankle and heel . The lower leg bones of a horse correspond to the bones of the human hand or foot, and the fetlock (incorrectly called the "ankle") is actually the proximal sesamoid bones between

585-526: A major component of grass, through the process of hindgut fermentation . Cellulose fermentation by symbiotic bacteria and other microbes occurs in the cecum and the large intestine . Horses cannot vomit , so digestion problems can quickly cause colic , a leading cause of death. Although horses do not have a gallbladder , they tolerate high amounts of fat in their diet. The horses' senses are based on their status as prey animals , where they must be aware of their surroundings at all times. The equine eye

650-797: A number of cognitive tasks on a daily basis, meeting mental challenges that include food procurement and identification of individuals within a social system . They also have good spatial discrimination abilities. They are naturally curious and apt to investigate things they have not seen before. Studies have assessed equine intelligence in areas such as problem solving , speed of learning, and memory . Horses excel at simple learning, but also are able to use more advanced cognitive abilities that involve categorization and concept learning . They can learn using habituation , desensitization , classical conditioning , and operant conditioning , and positive and negative reinforcement . One study has indicated that horses can differentiate between "more or less" if

715-589: A precocial species, and foals are capable of standing and running within a short time following birth. Foals are usually born in the spring. The estrous cycle of a mare occurs roughly every 19–22 days and occurs from early spring into autumn. Most mares enter an anestrus period during the winter and thus do not cycle in this period. Foals are generally weaned from their mothers between four and six months of age. Horses, particularly colts, are sometimes physically capable of reproduction at about 18 months, but domesticated horses are rarely allowed to breed before

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780-477: A predominantly white hair coat and pink skin, a fairly rare occurrence. Different and unrelated genetic factors can produce white coat colors in horses, including several different alleles of dominant white and the sabino-1 gene . However, there are no " albino " horses, defined as having both pink skin and red eyes. Gestation lasts approximately 340 days, with an average range 320–370 days, and usually results in one foal ; twins are rare. Horses are

845-505: Is adequate healthy food. All horses move naturally with four basic gaits : Besides these basic gaits, some horses perform a two-beat pace , instead of the trot. There also are several four-beat ' ambling ' gaits that are approximately the speed of a trot or pace, though smoother to ride. These include the lateral rack , running walk , and tölt as well as the diagonal fox trot . Ambling gaits are often genetic in some breeds, known collectively as gaited horses . These horses replace

910-403: Is also important in jumping, as the shoulder must rotate back for the horse to bring its foreleg parallel to the ground, which will then raise the animal's knees upward and get the lower part of the forelegs out of the way. Therefore, the withers have a direct impact on one of the most important points of conformation : the shoulder. In dogs , the height of the withers is often used to determine

975-467: Is an ancient, national dog breed of Sweden and may date back to the 8th or 9th century. Swedish Vallhunds originated in the province of Västergötland , which lies just south of lake Vänern . Here the small dog proved to be excellent for watching, guarding and herding. The breed dates to the Viking settlement of England and is thought to have played a part in the development of the modern Welsh Corgi and

1040-407: Is an extensive, specialized vocabulary used to describe equine-related concepts, covering everything from anatomy to life stages, size, colors , markings , breeds , locomotion , and behavior. Horses are adapted to run , allowing them to quickly escape predators, and possess a good sense of balance and a strong fight-or-flight response . Related to this need to flee from predators in the wild

1105-1018: Is an unusual trait: horses are able to sleep both standing up and lying down, with younger horses tending to sleep significantly more than adults. Female horses, called mares , carry their young for approximately 11 months and a young horse, called a foal , can stand and run shortly following birth. Most domesticated horses begin training under a saddle or in a harness between the ages of two and four. They reach full adult development by age five, and have an average lifespan of between 25 and 30 years. Horse breeds are loosely divided into three categories based on general temperament: spirited "hot bloods" with speed and endurance; "cold bloods", such as draft horses and some ponies , suitable for slow, heavy work; and " warmbloods ", developed from crosses between hot bloods and cold bloods, often focusing on creating breeds for specific riding purposes, particularly in Europe. There are more than 300 breeds of horse in

1170-491: Is illegal in Sweden.) The coat is short and harsh, with a tight topcoat and a soft, dense undercoat. The hair on the foreparts of the legs is slightly longer than that of the neck, chest and back parts of the hind legs. Fur color varies from grey, greyish brown and greyish yellow to reddish brown, with darker hair on the back, neck, and sides of the body. Lighter hair in the same shade of color as mentioned above can be seen on

1235-416: Is in the nostrils and nasal cavity, which analyze a wide range of odors. The second, located under the nasal cavity, are the vomeronasal organs , also called Jacobson's organs. These have a separate nerve pathway to the brain and appear to primarily analyze pheromones . A horse's hearing is good, and the pinna of each ear can rotate up to 180°, giving the potential for 360° hearing without having to move

1300-410: Is measured at the highest point of the withers , where the neck meets the back . This point is used because it is a stable point of the anatomy, unlike the head or neck, which move up and down in relation to the body of the horse. In English-speaking countries, the height of horses is often stated in units of hands and inches: one hand is equal to 4 inches (101.6 mm). The height is expressed as

1365-417: Is one of the largest of any land mammal. Horses are lateral-eyed, meaning that their eyes are positioned on the sides of their heads. This means that horses have a range of vision of more than 350°, with approximately 65° of this being binocular vision and the remaining 285° monocular vision . Horses have excellent day and night vision , but they have two-color, or dichromatic vision ; their color vision

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1430-426: Is somewhat like red-green color blindness in humans, where certain colors, especially red and related colors, appear as a shade of green. Their sense of smell , while much better than that of humans, is not quite as good as that of a dog. It is believed to play a key role in the social interactions of horses as well as detecting other key scents in the environment. Horses have two olfactory centers. The first system

1495-467: Is summed up by the traditional adage, "no foot, no horse". The horse hoof begins with the distal phalanges , the equivalent of the human fingertip or tip of the toe, surrounded by cartilage and other specialized, blood-rich soft tissues such as the laminae . The exterior hoof wall and horn of the sole is made of keratin , the same material as a human fingernail . The result is that a horse, weighing on average 500 kilograms (1,100 lb), travels on

1560-617: Is usually considered to be a horse and one less than 14.2 hands (58 inches, 147 cm) a pony, but there are many exceptions to the traditional standard. In Australia, ponies are considered to be those under 14 hands (56 inches, 142 cm). For competition in the Western division of the United States Equestrian Federation , the cutoff is 14.1 hands (57 inches, 145 cm). The International Federation for Equestrian Sports ,

1625-520: Is well-developed. The most sensitive areas are around the eyes, ears, and nose. Horses are able to sense contact as subtle as an insect landing anywhere on the body. Horses have an advanced sense of taste, which allows them to sort through fodder and choose what they would most like to eat, and their prehensile lips can easily sort even small grains. Horses generally will not eat poisonous plants, however, there are exceptions; horses will occasionally eat toxic amounts of poisonous plants even when there

1690-834: The Lancashire Heeler . According to the American Kennel Club , another theory of the breed's origin is that during the eighth or ninth century "either the Swedish Vallhund was brought to Wales or the Corgi was taken to Sweden, hence the similarities between the two breeds". The Swedish Vallhund is related to larger spitz dogs and moose hunting dogs of Scandinavia . Large dogs of this spitz-type have been found buried with their masters in Stone-Age settlements in Scandinavia. Withers Withers are

1755-488: The Morgan horse . Horses are able to sleep both standing up and lying down. In an adaptation from life in the wild, horses are able to enter light sleep by using a " stay apparatus " in their legs, allowing them to doze without collapsing. Horses sleep better when in groups because some animals will sleep while others stand guard to watch for predators. A horse kept alone will not sleep well because its instincts are to keep

1820-477: The Trakehner or Hanoverian , developed when European carriage and war horses were crossed with Arabians or Thoroughbreds, producing a riding horse with more refinement than a draft horse, but greater size and milder temperament than a lighter breed. Certain pony breeds with warmblood characteristics have been developed for smaller riders. Warmbloods are considered a "light horse" or "riding horse". Today,

1885-406: The cannon bones (a single equivalent to the human metacarpal or metatarsal bones ) and the proximal phalanges , located where one finds the "knuckles" of a human. A horse also has no muscles in its legs below the knees and hocks, only skin, hair, bone, tendons , ligaments , cartilage , and the assorted specialized tissues that make up the hoof . The critical importance of the feet and legs

1950-466: The gene controlled by the Melanocortin 1 receptor , also known as the "extension gene" or "red factor". Its recessive form is "red" (chestnut) and its dominant form is black. Additional genes control suppression of black color to point coloration that results in a bay , spotting patterns such as pinto or leopard , dilution genes such as palomino or dun , as well as greying , and all

2015-594: The "cold-bloods", such as most draft breeds , are quieter and calmer. Sometimes "hot-bloods" are classified as "light horses" or "riding horses", with the "cold-bloods" classified as "draft horses" or "work horses". "Hot blooded" breeds include " oriental horses " such as the Akhal-Teke , Arabian horse , Barb , and now-extinct Turkoman horse , as well as the Thoroughbred , a breed developed in England from

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2080-640: The Southern Hemisphere. The exception is in endurance riding , where the minimum age to compete is based on the animal's actual calendar age. The following terminology is used to describe horses of various ages: In horse racing , these definitions may differ: For example, in the British Isles, Thoroughbred horse racing defines colts and fillies as less than five years old. However, Australian Thoroughbred racing defines colts and fillies as less than four years old. The height of horses

2145-456: The age of three, especially females. Horses four years old are considered mature, although the skeleton normally continues to develop until the age of six; maturation also depends on the horse's size, breed, sex, and quality of care. Larger horses have larger bones; therefore, not only do the bones take longer to form bone tissue , but the epiphyseal plates are larger and take longer to convert from cartilage to bone. These plates convert after

2210-747: The calm, patient temperament needed to pull a plow or a heavy carriage full of people. They are sometimes nicknamed "gentle giants". Well-known draft breeds include the Belgian and the Clydesdale . Some, like the Percheron , are lighter and livelier, developed to pull carriages or to plow large fields in drier climates. Others, such as the Shire , are slower and more powerful, bred to plow fields with heavy, clay-based soils. The cold-blooded group also includes some pony breeds. " Warmblood " breeds, such as

2275-469: The day. Therefore, compared to humans, they have a relatively small stomach but very long intestines to facilitate a steady flow of nutrients. A 450-kilogram (990 lb) horse will eat 7 to 11 kilograms (15 to 24 lb) of food per day and, under normal use, drink 38 to 45 litres (8.4 to 9.9 imp gal; 10 to 12 US gal) of water . Horses are not ruminants , having only one stomach, like humans. But unlike humans, they can digest cellulose ,

2340-675: The dog is provided cool shade and water. The breed does not do well in very deep snow because of its short legs. The Vallhund has an inherited type of progressive retinal atrophy disease in 34.9% of the population, which appears as mild to moderate night-blindness around the age of ten. The Vallhund can compete in a variety of sports including dog agility trials, obedience , rally obedience , showmanship , flyball , tracking , hiking, and herding events. Herding instincts and trainability can be measured at noncompetitive herding tests. Vallhunds that exhibit basic herding instincts can be trained to compete in herding trials. The Swedish Vallhund

2405-435: The dog's jump height in various dog sports . It is also often a determining factor in whether the dog conforms to the show-quality standards for its breed . Horse at least 48 published The horse ( Equus ferus caballus ) is a domesticated , one-toed , hoofed mammal . It belongs to the taxonomic family Equidae and is one of two extant subspecies of Equus ferus . The horse has evolved over

2470-401: The front of the mouth, adapted to biting off the grass or other vegetation. There are 24 teeth adapted for chewing, the premolars and molars , at the back of the mouth. Stallions and geldings have four additional teeth just behind the incisors, a type of canine teeth called "tushes". Some horses, both male and female, will also develop one to four very small vestigial teeth in front of

2535-507: The head. Noise affects the behavior of horses and certain kinds of noise may contribute to stress—a 2013 study in the UK indicated that stabled horses were calmest in a quiet setting, or if listening to country or classical music, but displayed signs of nervousness when listening to jazz or rock music. This study also recommended keeping music under a volume of 21 decibels . An Australian study found that stabled racehorses listening to talk radio had

2600-404: The horse are considered in evaluating conformation. Generally, a horse should have well-defined withers, as they are considered an important attachment point for the muscles of the torso. Withers of medium height are preferred, as high withers make it difficult to fit a saddle and are often associated with a narrow chest, and low withers (known as "mutton withers") do not provide a ridge to help keep

2665-437: The incisors show changes as the horse ages; they develop a distinct wear pattern, changes in tooth shape, and changes in the angle at which the chewing surfaces meet. This allows a very rough estimate of a horse's age, although diet and veterinary care can also affect the rate of tooth wear. Horses are herbivores with a digestive system adapted to a forage diet of grasses and other plant material, consumed steadily throughout

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2730-435: The molars, known as "wolf" teeth, which are generally removed because they can interfere with the bit . There is an empty interdental space between the incisors and the molars where the bit rests directly on the gums, or "bars" of the horse's mouth when the horse is bridled . An estimate of a horse's age can be made from looking at its teeth. The teeth continue to erupt throughout life and are worn down by grazing. Therefore,

2795-662: The muzzle, throat, chest, belly, buttocks, feet and hocks. They have lighter markings on their shoulders, also known as harness markings. Some dogs have white patches which appear, to a small extent, as a narrow blaze, neckstop or slight necklace, as well as having white markings on their fore and hindlegs and on the chest. The maximum is 30% white. The Swedish Vallhund is generally a healthy dog. Its small stature contributes to its longevity, with an average lifespan of 15 years. Its pointy ears mean that—unlike dog breeds with long, hanging ears—ear problems are rare. This breed does well in hot climates because of its double layer coat, as long as

2860-1030: The number of full hands, followed by a point , then the number of additional inches, and ending with the abbreviation "h" or "hh" (for "hands high"). Thus, a horse described as "15.2 h" is 15 hands plus 2 inches, for a total of 62 inches (157.5 cm) in height. The size of horses varies by breed, but also is influenced by nutrition . Light-riding horses usually range in height from 14 to 16 hands (56 to 64 inches, 142 to 163 cm) and can weigh from 380 to 550 kilograms (840 to 1,210 lb). Larger-riding horses usually start at about 15.2 hands (62 inches, 157 cm) and often are as tall as 17 hands (68 inches, 173 cm), weighing from 500 to 600 kilograms (1,100 to 1,320 lb). Heavy or draft horses are usually at least 16 hands (64 inches, 163 cm) high and can be as tall as 18 hands (72 inches, 183 cm) high. They can weigh from about 700 to 1,000 kilograms (1,540 to 2,200 lb). The largest horse in recorded history

2925-555: The older oriental breeds. Hot bloods tend to be spirited, bold, and learn quickly. They are bred for agility and speed. They tend to be physically refined—thin-skinned, slim, and long-legged. The original oriental breeds were brought to Europe from the Middle East and North Africa when European breeders wished to infuse these traits into racing and light cavalry horses. Muscular, heavy draft horses are known as "cold bloods." They are bred not only for strength, but also to have

2990-435: The other factors that create the many possible coat colors found in horses. Horses that have a white coat color are often mislabeled; a horse that looks "white" is usually a middle-aged or older gray . Grays are born a darker shade, get lighter as they age, but usually keep black skin underneath their white hair coat (with the exception of pink skin under white markings ). The only horses properly called white are born with

3055-605: The other parts of the bones, and are crucial to development. Depending on maturity, breed, and work expected, horses are usually put under saddle and trained to be ridden between the ages of two and four. Although Thoroughbred race horses are put on the track as young as the age of two in some countries, horses specifically bred for sports such as dressage are generally not put under saddle until they are three or four years old, because their bones and muscles are not solidly developed. For endurance riding competition, horses are not deemed mature enough to compete until they are

3120-416: The part of a draft animal that pushes against a load . The withers in horses are formed by the dorsal spinal processes of roughly the 3rd through 11th thoracic vertebrae , which are unusually long in this area. Most horses have 18 thoracic vertebrae. The processes at the withers can be more than 30 centimetres (12 in) long. Since they do not move relative to the ground as the horse's head does,

3185-496: The past 45 to 55 million years from a small multi-toed creature, Eohippus , into the large, single-toed animal of today. Humans began domesticating horses around 4000 BCE , and their domestication is believed to have been widespread by 3000 BCE. Horses in the subspecies caballus are domesticated, although some domesticated populations live in the wild as feral horses . These feral populations are not true wild horses , which are horses that never have been domesticated. There

3250-570: The quantity involved is less than four. Domesticated horses may face greater mental challenges than wild horses, because they live in artificial environments that prevent instinctive behavior whilst also learning tasks that are not natural. Horses are animals of habit that respond well to regimentation, and respond best when the same routines and techniques are used consistently. One trainer believes that "intelligent" horses are reflections of intelligent trainers who effectively use response conditioning techniques and positive reinforcement to train in

3315-410: The ridge between the shoulder blades of an animal, typically a quadruped . In many species, this ridge is the tallest point of the body. In horses and dogs, it is the standard place to measure the animal's height. In contrast, cattle are often measured to the top of the hips. The term (pronounced / ˈ w ɪ ð . ər z / ) derives from Old English wither ("against'), because the withers are

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3380-401: The saddle in place. More importantly, the dorsal spinal processes provide an attachment for the muscles that support the shoulder and neck. Horses do not have a clavicle , so the shoulder can freely rotate backwards. If the vertebrae of the withers are long front-to-back, the shoulder is freer to move backwards. This allows for an increase of stride length. thus increasing the horse's speed. It

3445-496: The same animals as horses. The distinction between a horse and pony is commonly drawn on the basis of height, especially for competition purposes. However, height alone is not dispositive; the difference between horses and ponies may also include aspects of phenotype , including conformation and temperament. The traditional standard for height of a horse or a pony at maturity is 14.2 hands (58 inches, 147 cm). An animal 14.2 hands (58 inches, 147 cm) or over

3510-507: The same bones as would a human on tiptoe. For the protection of the hoof under certain conditions, some horses have horseshoes placed on their feet by a professional farrier . The hoof continually grows, and in most domesticated horses needs to be trimmed (and horseshoes reset, if used) every five to eight weeks, though the hooves of horses in the wild wear down and regrow at a rate suitable for their terrain. Horses are adapted to grazing . In an adult horse, there are 12  incisors at

3575-472: The same color may be distinguished from one another by white markings , which, along with various spotting patterns, are inherited separately from coat color. Many genes that create horse coat colors and patterns have been identified. Current genetic tests can identify at least 13 different alleles influencing coat color, and research continues to discover new genes linked to specific traits. The basic coat colors of chestnut and black are determined by

3640-470: The style that best fits with an individual animal's natural inclinations. Horses are mammals . As such, they are warm-blooded , or endothermic creatures, as opposed to cold-blooded, or poikilothermic animals. However, these words have developed a separate meaning in the context of equine terminology, used to describe temperament, not body temperature . For example, the " hot-bloods ", such as many race horses , exhibit more sensitivity and energy, while

3705-558: The term "Warmblood" refers to a specific subset of sport horse breeds that are used for competition in dressage and show jumping . Strictly speaking, the term " warm blood " refers to any cross between cold-blooded and hot-blooded breeds. Examples include breeds such as the Irish Draught or the Cleveland Bay . The term was once used to refer to breeds of light riding horse other than Thoroughbreds or Arabians, such as

3770-788: The trot with one of the ambling gaits. Horses are prey animals with a strong fight-or-flight response . Their first reaction to a threat is to startle and usually flee, although they will stand their ground and defend themselves when flight is impossible or if their young are threatened. They also tend to be curious; when startled, they will often hesitate an instant to ascertain the cause of their fright, and may not always flee from something that they perceive as non-threatening. Most light horse riding breeds were developed for speed, agility, alertness and endurance; natural qualities that extend from their wild ancestors. However, through selective breeding, some breeds of horses are quite docile, particularly certain draft horses. Horses are herd animals , with

3835-401: The urine of pregnant mares . Humans provide domesticated horses with food, water, and shelter, as well as attention from specialists such as veterinarians and farriers . Depending on breed, management and environment, the modern domestic horse has a life expectancy of 25 to 30 years. Uncommonly, a few animals live into their 40s and, occasionally, beyond. The oldest verifiable record

3900-442: The withers are used as the measuring point for the height of a horse. Horses are sometimes measured in hands – one hand is 4 inches (10.2 cm). Horse heights are extremely variable, from small pony breeds to large draft breeds. The height at the withers of an average thoroughbred is 163 centimetres (16.0 hands; 5 ft 4 in), and ponies are up to 147 centimetres (14.2 hands; 4 ft 10 in). The withers of

3965-1085: The world governing body for horse sport, uses metric measurements and defines a pony as being any horse measuring less than 148 centimetres (58.27 in) at the withers without shoes, which is just over 14.2 hands (58 inches, 147 cm), and 149 centimetres (58.66 in; 14. 2 + 1 ⁄ 2 hands), with shoes. Height is not the sole criterion for distinguishing horses from ponies. Breed registries for horses that typically produce individuals both under and over 14.2 hands (58 inches, 147 cm) consider all animals of that breed to be horses regardless of their height. Conversely, some pony breeds may have features in common with horses, and individual animals may occasionally mature at over 14.2 hands (58 inches, 147 cm), but are still considered to be ponies. Ponies often exhibit thicker manes, tails, and overall coat. They also have proportionally shorter legs, wider barrels, heavier bone, shorter and thicker necks, and short heads with broad foreheads. They may have calmer temperaments than horses and also

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4030-569: The world today, developed for many different uses. Horses and humans interact in a wide variety of sport competitions and non-competitive recreational pursuits as well as in working activities such as police work , agriculture , entertainment, and therapy . Horses were historically used in warfare, from which a wide variety of riding and driving techniques developed, using many different styles of equipment and methods of control. Many products are derived from horses, including meat , milk , hide , hair , bone, and pharmaceuticals extracted from

4095-408: Was sequenced in 2007. It contains 2.7 billion DNA base pairs , which is larger than the dog genome , but smaller than the human genome or the bovine genome . The map is available to researchers. Horses exhibit a diverse array of coat colors and distinctive markings , described by a specialized vocabulary. Often, a horse is classified first by its coat color, before breed or sex. Horses of

4160-550: Was " Old Billy ", a 19th-century horse that lived to the age of 62. In modern times, Sugar Puff, who had been listed in Guinness World Records as the world's oldest living pony, died in 2007 at age 56. Regardless of a horse or pony's actual birth date, for most competition purposes a year is added to its age each January 1 of each year in the Northern Hemisphere and each August 1 in

4225-451: Was probably a Shire horse named Mammoth , who was born in 1848. He stood 21.2 ⁄ 4  hands (86.25 inches, 219 cm) high and his peak weight was estimated at 1,524 kilograms (3,360 lb). The record holder for the smallest horse ever is Thumbelina , a fully mature miniature horse affected by dwarfism . She was 43 centimetres; 4.1 hands (17 in) tall and weighed 26 kg (57 lb). Ponies are taxonomically

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