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The dog sense of smell is the most powerful sense of this species, the olfactory system of canines being much more complex and developed than that of humans. [1] Dogs have roughly forty times more smell-sensitive receptors than humans, ranging from about 125 million to nearly 300 million in some dog breeds, such as bloodhounds.
The human nose is the first organ of the respiratory system. It is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum, which separates the nostrils and divides the nasal cavity into two. The nose has an important function in breathing.
Snout. A snout is the protruding portion of an animal's face, consisting of its nose, mouth, and jaw. In many animals, the structure is called a muzzle, [1] rostrum, or proboscis. The wet furless surface around the nostrils of the nose of many mammals is called the rhinarium (colloquially this is the "cold wet snout" of some mammals).
standard. Dog ( domestic dog) The bloodhound is a large scent hound, originally bred for hunting deer, wild boar, rabbits, and since the Middle Ages, for tracking people. Believed to be descended from hounds once kept at the Abbey of Saint-Hubert, Belgium, in French it is called, le chien de Saint-Hubert .
Tracking (dog) Tracking refers to a dog 's ability to detect, recognize and follow a specific scent. Possessing heightened olfactory abilities, dogs, especially scent hounds, are able to detect, track and locate the source of certain odours. [1] A deeper understanding of the physiological mechanisms and the phases involved in canine scent ...
Dogs stand about 25 cm (9.8 in) at the withers, bitches slightly less. The coat may be black, red, dark grizzle, golden, honey, parti-colour, sandy, slate-coloured, smoke-coloured or white. It is thick and heavy, with a hard straight outer coat and a medium under-coat. The eyes are dark and the nose is black, and the ears are pendant.
A search-and-rescue (SAR) dog is a dog trained to respond to crime scenes, accidents, missing persons events, as well as natural or man-made disasters. [1] These dogs detect human scent, which is a distinct odor of skin flakes and water and oil secretions unique to each person [1] [2] and have been known to find people under water, snow, and ...
Dog ( domestic dog) The German Shepherd, [a] also known in Britain as an Alsatian, is a German breed of working dog of medium to large size. The breed was developed by Max von Stephanitz using various traditional German herding dogs from 1899. It was originally bred as a herding dog, for herding sheep.
St. Bernard skeleton. The St. Bernard is recognized internationally today as one of the molosser breeds. [6] It is a giant dog. The coat is smooth being close and flat. The colour is primarily white with smaller or larger red patches with a clear to dark red mantle and reddish-brown mantle being the most 'valuable',.
McCune–Reischauer. Chindo-kyŏn. The Jindo dog ( Korean : 진돗개; RR : Jindo-gae) is an indigenous dog [1] [2] native to the island of Jindo in South Korea. It is also known as Jindo-gyeon ( 진도견; Jindo-gyeon) and formerly known as the Chindo dog. It is one of South Korea's Natural Treasures.
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