The breed originated in central and upper Belgium in the nineteenth century, from crossing local breeds with a Shorthorn breed of cattle from the United Kingdom.

Borzoi are born with specialized coursing skills, but these are quite different from the dog-fighting instincts seen in some breeds.

All breeds share common ancestry, having descended from wolves.

The Thessalian tribes also claimed their horse breeds were descended from the centaurs.

Dartmoor has given its name to two breeds of sheep-Whiteface Dartmoor and Greyface Dartmoor-which are descended from breeds which have roamed on the moor since at least the 17th century.

After examining wild mice captured from both highlands and lowlands, it was found that: the genes of the two breeds are " virtually identical – except for those that govern the oxygen-carrying capacity of their hemoglobin ".

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.

Some breeds have been developed through centuries of crossings with other breeds, while others, such as Tennessee Walking Horses and Morgans, developed from a single sire from which all current breed members descend.

Ponies of all breeds originally developed mainly from the need for a working animal that could fulfill specific local draft and transportation needs while surviving in harsh environments.

Other breeds have a partially closed stud book but still allow certain infusions from other breeds.

Today, the primary dog breed raised for meat, the nureongi ( 누렁이 ), differs from those breeds raised for pets, which Koreans may keep in their homes.

* Phoenix ( chicken ), one of many breeds of chicken that resulted from European selective breeding of onagadori

The Siberian Husky, Samoyed, and Alaskan Malamute are all breeds directly descended from the original " sled dog.

Fortunately the Sloughi is one of the breeds in whom this condition can be tested for with a small blood sample, and breeders are working to eliminate PRA from the gene pool.

Darwin discusses contemporary opinions on the origins of different breeds under cultivation to argue that many have been produced from common ancestors by selective breeding.

As an illustration of artificial selection, he describes fancy pigeon breeding, noting that " he diversity of the breeds is something astonishing ", yet all were descended from one species of rock pigeon.

The identification must be made by looking at the comb, or eventually from the development of spurs on the male's legs ( in a few breeds and in certain hybrids the male and female chicks may be differentiated by color ).

A lack of data from Thailand, Russia, the Indian subcontinent, Southeast Asia and Sub-Saharan Africa makes it difficult to lay out a clear map of the spread of chickens in these areas ; better description and genetic analysis of local breeds threatened by extinction may also help with research into this area.

These ancient breeds then migrated South ( founding the Tazi / Saluki branch ) and West ( founding the Stepnaya, Krimskaya and Hortaya branches ) to develop into breeds adapted to those regions.

There were ten distinct husky breeds differentiated by region, height / weight and color: the Husky proper ( recognised by the American Kennel Club under the name of Eskimo ), the Alaskan Malamute, the Toganee, the Mackenzie River Husky, the Timber-Wolf Dog, the West Greenland Husky, the East Greenland Husky, the Baffinland Husky, the Chuchi ( recognised by the American Kennel Club as the Siberian Husky ), and the Ostiak.

It breeds in Africa, mainly south of the Sahara, and has been widely introduced into the West Indies, Brazil, Australia and southern France.

It breeds throughout most of North America, from western Alaska and northern Canada to as far south as Panama and the West Indies, and is one of the most common buteos in North America.

It breeds from central Alaska, the Yukon, and the Northwest Territories east to southern Quebec and the Maritime Provinces of Canada, and south to Florida, the West Indies, and Central America.

The smooth-faced Pyrenean Shepherd in its harlequin or blue merle coloration may have been one of the foundation breeds for the Australian Shepherd when sheep herders brought their sheepdogs to the American West when they flew to the United States as contract herders for the Western Range Association in the 1940s until the early 1970s.

Some breeds appear to have an increased risk of mild cases as young dogs, including the Afghan Hound, American Staffordshire Terrier, Boston Terrier, Boxer, Chihuahua, Chow Chow, Shar Pei, Collie, Dalmatian, Doberman Pinscher, Bulldog, English Bull Terrier, Miniature Bull Terrier, German Shepherd Dog, Great Dane, Old English Sheepdog, American Pit Bull Terrier, West Highland White Terrier, Rat Terrier, and Pug.

In breeds such as the West Highland White Terrier, relatively minor skin irritation which would otherwise be considered allergy should be carefully scraped because of the predilection of these dogs to demodectic mange.

A second stock breeds on the " West Ice " off eastern Greenland.

The West Indian Whistling Duck ( Dendrocygna arborea ) is a whistling duck that breeds in the Caribbean.

It breeds in the high plains of North America from extreme southeastern Alberta and southwestern Saskatchewan to northern New Mexico and the Texas panhandle, as well as an isolated site in the Davis Mountains of West Texas.

In West Bengal India, two more strains of the Bengal goat have recently been identified by Dr. Sandip Banerjee ; they have been named as the Dimpy Bengal, which has the typical Toggenberg pattern and breed true, while the other has been named as Dinglu Bengal, which is white in color and has a star over the forehead and a black tuft of hair over the spinous processes ; the strains / breeds are prolific in nature and are quite distinct in themselves ..

It breeds from the extreme southeast of the USA, mainly in Florida, through Central America, from Cuba to Puerto Rico as well as eastward towards all across the Lesser West Indies, south to Venezuela, Trinidad, Tobago the Guiana and Colombia.

It breeds in the West Indies except Cuba, on Tobago but not Trinidad, and along the northern coasts of Colombia and Venezuela.

An interesting feature is the remarkable resistance to nagana pathology shown by some breeds of cattle, notably the N ' Dama-a West African Bos taurus breed.

The Black-whiskered Vireo, Vireo altiloquus, is a small passerine bird, which breeds in southern Florida, USA, and the West Indies as far south as the offshore islands of Venezuela.

Category: Dog breeds originating in Asia

** Whooper Swan, Cygnus cygnus breeds in Iceland and subarctic Europe and Asia, migrating to temperate Europe and Asia in winter

* H. r. rustica, the nominate European subspecies, breeds in Europe and Asia, as far north as the Arctic Circle, south to North Africa, the Middle East and Sikkim, and east to the Yenisei River.

The Eastern Imperial Eagle ( Aquila heliaca ) is a large species of bird of prey that breeds from southeastern Europe to western and central Asia.

In Asia, it breeds in the northern stretches of Siberia, and winters along the Pacific coast as far south as China, Japan and Taiwan.

It breeds in Europe, Asia, and North Africa, and has been introduced to Australia and New Zealand.

The Common Blackbird breeds in temperate Eurasia, North Africa, the Canary Islands, and South Asia.

* Z. c. innotata breeds through most of South-East Asia from southern Burma and southwestern China to northwest Thailand, central and southern Laos, Cambodia and southern Vietnam.

It breeds in woodland and scrub in northern Europe and Asia.

It breeds in northern regions of Europe and Asia, from Iceland south to northernmost Scotland, and east through Scandinavia, the Baltic States, northern Poland and Belarus, and through most of Russia to about 165 ° E in Chukotka Autonomous Okrug.

It breeds in wet coniferous taiga, mainly in eastern Asia and Siberia.

It breeds on crags in mountains in southern Europe, north Africa, and Asia, laying one egg.

It breeds in southern Russia and central Asia to Northern Pakistan, wintering in Africa and India.

* P. p. centralis, described by Erwin Stresemann in 1928 under its current name, breeds in central Asia.

The Red-billed Chough breeds in Ireland, western Great Britain, the Isle of Man, southern Europe and the Mediterranean basin, the Alps, and in mountainous country across Central Asia, India and China, with two separate populations in the Ethiopian Highlands.

The Alpine Chough breeds in mountains from Spain eastwards through southern Europe and the Alps across Central Asia and the Himalayas to western China.

This species breeds in western and central Europe, with an allied form or race C. c. orientalis ( 50 – 56 cm or 19 to 22 inches in length ) occurring in eastern Asia.

This sparrow breeds over most of temperate Eurasia and Southeast Asia, where it is known as the Tree Sparrow, and it has been introduced elsewhere including the United States, where it is known as the Eurasian Tree Sparrow or German Sparrow to differentiate it from the native unrelated American Tree Sparrow.

The Common House Martin ( Delichon urbicum ), sometimes called the Northern House Martin or, particularly in Europe, just House Martin, is a migratory passerine bird of the swallow family which breeds in Europe, north Africa and temperate Asia ; and winters in sub-Saharan Africa and tropical Asia.

In the past, the Common House Martin was sometimes considered to be conspecific with the Asian House Martin ( D. dasypus ), which breeds in the mountains of central and eastern Asia and winters in Southeast Asia, and it also closely resembles the Nepal House Martin ( D. nipalense ), a resident in the mountains of southern Asia.