Fur typically refers to the dense, soft hair that covers the skin of many mammals, used primarily for insulation and protection against the elements. Each species' fur has different characteristics such as length, density, and texture, adapted to their environment and needs. For instance, animals in colder regions often have denser and longer fur to provide better insulation.
The scent profile of fur varies widely depending on the animal, its environment, and its diet. Generally, it can range from musky to earthy. Some furs may carry a scent reminiscent of the animal’s natural habitat; for example, a hint of pine or wet soil in animals living in forested areas. Domestic animals that are groomed regularly may have little to no natural scent on their fur, or it might carry hints of the grooming products used.
In the wild, animals' fur can also pick up scents from their surroundings, serving various purposes such as marking territory or camouflaging scents from predators. The natural oils and pheromones secreted by the animal can also influence the scent of their fur. These odors are not typically noticeable to humans unless they are very close to the animal or if the fur is not cleaned. In general, for animals like cats and dogs, their fur might carry a slightly oily or waxy odor mixed with the smells from their environment.