Animal hair

thumb|right|Wool before processing thumb|Unshorn Merino|Merino sheep. This breed of sheep is known for its fine wool. thumb|Shorn sheep

thumb|A cat with vibrissae thumb|A chinchilla with large macrovibrissae

establishment that sells pets, pet food, or related equipment

thumb|right|270px|The bristles of a sweeping brush A bristle is a stiff hair or feather (natural or artificial), either on an animal, such as a pig, a plant, or on a tool such as a brush or broom.

In biology, setae (; seta ; ) are any of a number of different bristle- or hair-like structures on living organisms.

both the hygienic care and cleaning of a dog, as well as a method of cosmetic enhancement

rigid, elongate, pointed anatomical structure

defense mechanisms used by plants, tarantulas, and caterpillars

hair that covers its body

genetics responsible for the appearance of a cat's fur

form of coloration

thumb|Example of the sounds and motions a common housecat makes when it is coughing up a hairball. thumb|right|150px|A cat hairball A hairball is a small collection of hair or fur formed in the stomach of animals, and uncommonly in humans, that is occasionally vomited up when it becomes too big. Hairballs are primarily a tight elongated cylinder of packed fur, but may include bits of other elements such as swallowed food. Animals with hairballs are sometimes mistaken as having other conditions of the stomach such as lymphosarcoma, tuberculosis, and tumor of the spleen. Cats are especially pron

thumb|Four trichobothria on the second leg of the spider Paratropis tuxtlensis Trichobothria (singular trichobothrium) are elongate setae ("hairs") present in arachnids, various orders of insects, and myriapods that function in the detection of airborne vibrations and currents, and electrical charge. In 1883, Friedrich Dahl observed that they were deflected by the sound waves from a violin and labelled them 'hearing hairs'.

pattern in a dog's coat

patch of hair growing in a circular direction around a visible center point

nature and quality of a mammal's pelage

thumb|Yellow hackles on the neck area of a rooster Hackles are the erectile plumage or hair in the neck area of some birds and mammals.