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A Rhodesian Ridgeback (sex unknown) with "stud tail": the violet gland lost hair and appears as a dark dimple. The violet gland or supracaudal gland is a gland located on the upper surface of the tail of certain mammals, including European badgers and canids such as foxes, wolves, [1] and the domestic dog, [2] as well as the domestic cat. [3]
Dogs also have sweat glands on their noses. These are eccrine glands. When these glands are active, they leave the nose and paw pads slightly moist and help these specialized skin features maintain their functional properties. [4] The odor associated with dog paw pads is much more noticeable on dogs with moist paw pads than on those with dry pads.
Scent hounds, especially the bloodhound, are bred for their keen sense of smell. 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] It is believed to be up to 10 million times as sensitive as a human's in specialized breeds.
The fossa has several scent glands. Like herpestids it has a perianal skin gland inside an anal sac which surrounds the anus like a pocket. The pocket opens to the exterior with a horizontal slit below the tail. Other glands are located near the penis or vagina, with the penile glands emitting a strong odor. Like the herpestids, it has no ...
An air scent is when human odours of sweat, cells, gland secretions, or toiletries circulate freely in the open air. [6] The bacteria attached to fallen skin cells provide dogs with odorous by-products that enhance the individuality of a trail. [ 6 ]
Bunting as a behaviour can be viewed as a variation of scent rubbing. [1] This is when an animal, typically a carnivore, will rub its back on a scent, such as that of prey, or on the urine of an animal of the same species. Evolutionarily speaking, scent rubbing is the oldest form of scent communication and bunting is a derivative of this ...
Domestic cats display scent rubbing. The cheeks, abdomen, paws, above tail and around the anus contain organs that produce scent. When a cat is comfortable with their surroundings and environment, they release the feline facial pheromone during facial rubbing in order to leave this pheromone on the objects around them. [6]
Pheromone-containing secretions from the preorbital gland may serve to establish an animal's dominance (especially in preparation for breeding), [4] mark its territory, or simply to produce a pleasurable sensation to the animal. [5] Because of its critical role in scent marking, the preorbital gland is usually considered as a type of scent gland.