>>332619694
Hair is a matter of location, length, density. 
Fur is
>all over
>generally short but can be up to a few inches long
>of consistent full-body density fit
Hair is
>specifically at certain spots, such as along the head and back
>Most hair is capable of growing in long locks, up to several inches or perhaps even feet
>could be as dense as fur or, most distinctly, very sparse and not bodily covering
Examples of animals with hair are beasts with manes, such as lions and horses. Horse hair is a term distinctly used to refer to the mane of a horse. Animals can have both hair and fur because they're two classes of the same matter growing in different styles.