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Like many mammals, grizzly bears are covered in thick fur. Fur is a thick growth of hair that covers the skin of almost all mammals. It consists of a combination of oily guard hair on top and thick underfur beneath. The guard hair keeps moisture from reaching the skin; the underfur acts as an insulating blanket that keeps the animal warm. [1]
In addition, the animal may be single-coated or may have a number of coats, such as an undercoat and a topcoat (also called an outer coat or, sometimes, overcoat), which is made up of guard hair. The state of the coat is considered an indication of the animal's breeding and health. Animals might have different coat quality for different seasons.
The coat of the domestic dog refers to the hair that covers its body. Dogs demonstrate a wide range of coat colors, patterns, textures, and lengths. As with other mammals, a dog's fur has many uses, including thermoregulation and protection from cuts or scratches; furthermore, a dog's coat plays an important role in the showing of purebred dogs.
Beaver fur has long been used in making muffs, stoles, collars, trimmings, and felt for hats. [4] The American beaver scores a 90/100 on the Austin Fur Durability chart [5] making it practical for utilitarian items such as linings. In the 21st century beaver is considered a premium fur and is often seen as very attractive to designers.
Animal fibers are natural fibers that consist largely of certain proteins. Examples include silk, hair/fur (including wool) and feathers. The animal fibers used most commonly both in the manufacturing world as well as by the hand spinners are wool from domestic sheep and silk. Also very popular are alpaca fiber and mohair from Angora goats.
The hairs of the fur in modern animals are all connected to nerves, and so the fur also serves as a transmitter for sensory input. Fur could have evolved from sensory hair (whiskers). The signals from this sensory apparatus is interpreted in the neocortex, a section of the brain that expanded markedly in animals like Morganucodon and ...
The original hair type chart, also known as the hair typing system, was created by Andre Walker, Oprah Winfrey's hairstylist, in the 1990s. He debuted the system on Winfrey's show to promote his ...
The spotted fur of lion (Panthera leo), cheetah (Acinonyx jubatus) and cougar (Puma concolor) cubs change to uniform fur during their ontogeny. [7] Those living in cold environments have thick fur with long hair, like the snow leopard ( Panthera uncia ) and the Pallas's cat ( Otocolobus manul ). [ 14 ]