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horse : a large solid-hoofed herbivorous ungulate mammal (Equus caballus, family Equidae, the horse family) domesticated since prehistoric times and used as a beast of burden, a draft animal, or for riding — Webster
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Horse is one of two extant subspecies of Equus ferus. It is an odd-toed ungulate mammal belonging to the taxonomic family Equidae. The horse has evolved over 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 BC, and their domestication is believed to have been widespread by 3000 BC. 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, as this term is used to describe horses that have never been domesticated, such as the endangered Przewalski’s horse, a separate subspecies, and the only remaining true wild horse. There 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’ anatomy enables them to make use of speed to escape predators and they have a well-developed sense of balance and a strong fight-or-flight response. Related to this need to flee from predators in the wild 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 saddle or in 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 the world today, developed for many different uses. — Wikipedia
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Horses News -- ScienceDaily Equine News. All about horses including the latest in horse cloning, race horse physiology and horse health.
- Climate warming linked to tree leaf unfolding and...on December 21, 2020 at 3:12 pm
Climate warming is linked to a widening interval between leaf unfolding and flowering in European trees, with implications for tree fitness and the wider environment, according to new research.
- Central Asian horse riders played ball games...on October 12, 2020 at 2:31 pm
Researchers have investigated ancient leather balls discovered in the graves of horse riders in northwest China. According to the international research team, they are around 3,000 years old, making them the oldest balls in Eurasia. The find suggests amongst others that the mounted warriors of Central Asia played ball games to keep themselves fit.
- Horse skeletons provide clues to preventing...on August 18, 2020 at 6:21 pm
In an anatomical comparison of the third metacarpal, or cannon bone, among Thoroughbred racehorses, American Quarter Horses and feral Assateague Island ponies, researchers have found that fostering adaptations in these bones through training might help horses better endure the extreme conditions of racing and prevent serious, often life-ending injuries on the track.
- Mystery about history of genetic disease in horseson July 15, 2020 at 3:14 pm
Warmblood fragile foal syndrome is a severe, usually fatal, genetic disease that manifests itself after birth in affected horses. Due to the defect, the connective tissue is unstable. Under force, the skin tears from the tissue underneath and the joints can dislocate. Researchers have now been able to prove that the disease did not stem from the English thoroughbred stallion Dark Ronald XX.
- Small horses got smaller, big tapirs got bigger...on March 24, 2020 at 5:18 pm
The former coalfield of Geiseltal in Saxony-Anhalt has yielded large numbers of exceptionally preserved fossil animals, giving palaeontologists a unique window into the evolution of mammals 47 million years ago. A team has shown that the body size of two species of mammals developed in opposite directions.
Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
- Restoring peat bogs could slow climate change –...on January 12, 2021 at 2:40 pm
Bogs, mires, fens and marshes—just their names seem to conjure myth and mystery. Though today, our interest in these waterlogged landscapes tends to be more prosaic. Because of a lack of oxygen, they can build up vast quantities of organic matter that doesn't decompose properly. This is known as peat. Peatlands could contain as much as 644 gigatons of carbon – one-fifth of all the carbon stored in soil on Earth. Not bad for a habitat that stakes a claim to just 3% of the planet's land […]
- Michigan winters, as generations have known them,...on January 11, 2021 at 9:00 pm
Karl Schwartz wishes he was simply chasing glory on the snowmobile racing track. Instead, in recent years, he has been forced to chase increasingly elusive cold weather.
- Researchers find horserace-style coverage harms...on January 8, 2021 at 5:04 pm
Media coverage that focuses on strategy over issues can harm the electoral success of Senate candidates, according to wide-ranging research gauging news coverage of more than 150 Senate races in the United States in recent years.
- Sharing leftover meat may have contributed to...on January 7, 2021 at 4:00 pm
Humans feeding leftover lean meat to wolves during harsh winters may have had a role in the early domestication of dogs, towards the end of the last ice age (14,000 to 29,000 years ago), according to a study published in Scientific Reports.
- A snake catcher explains why our fear of brown...on January 4, 2021 at 2:50 pm
Sun, sea … snakes: all three are synonymous with the Australian summer, but only the first two are broadly welcomed. And of all Australia's snake species, brown snakes are among the most feared.