a long hair vs long hairs

Some examples from the web:

• I am sensing there was a long hair in the evidence bag.
• First, get a long hair with a little yank from the head. Then, hold the hair with two fingers, separating the two ends.
• Is it a long hair?
• To be attractive for her clients, she used a long hair, floor-length, keeping it always clean and shiny.
• Breeds with a long hair correspondence:
• It consists of a long hair degreased with ether, kept in tension by a pair of tweezers at the top of the instrument.
• It's why several short hair breeds hold a long hair variety, under the same name or with a different one.
• Muzzle and good part of the head are bald, whilst the body is covered by a long hair (even if not too thick), of a nice reddish tint, at times almost orange.
• There was more freedom in costumes than in the Middle Ages, and men had the choice whether or not to use beard or moustaches, a long hair at the nape length, or shorter.
• So, a Persian was a long hair cat, and an Abyssinian was a cat with a coat with ticking.
• Near 1650, the Sun King, Louis XIV of France, (1643-1715) put in fashion a long hair with thick curls, which, when he started to loose his hair, he wore with the addition of wigs.
• If you are interested in getting the look of a long hair style, but you have very short hair, there is a solution for you - Modern... 2007-03-30 12:54:40 - Hair color secrets? which color is right for you?
• A long hair and a long beard are both a nest for lices.
• The young man with a long hair.
• National Award Cuentos de Amor de Las Tunas for Un joven de pelo largo (A young man with a long hair), 1996.

Some examples from the web:

• Video: Transsiberian 2009 produced by Lluis Jané (yes, the one with long hairs it's me).
• The old woman, who smells alcohol, looks at him badly and says: "You should go to the hairdresser, long hairs are out of fashion!".
• Wide at the base, it is particularly well furnished of long hairs which form soft locks and ends with a tip.
• The winter coat is unusually long and uniform for an animal its size, with a luxuriant mane of tough, long hairs along the back from the occiput to the base of the tail.
• Keep the teens, keep the long hairs.
• A "xeno" with big long hairs on top of his head.
• The broad category of kteuy covers two distinct sub-groupings, "short hairs" and "long hairs".
• Comes with UltraTrack shaving heads that catch every single hair in just some strokes with three specialized shaving tracks: slots for the long hairs, channels for the longer hairs, and holes for the shortest stubble.
• why you are having long hairs?
• The fruits are covered in long hairs.
• The long hairs are planning a protest march on the Atomic Energy Plant at Windscale.
• The Monk Saki (Pithecia monachus) takes its name from the hood of long hairs coming down before on the shoulders.
• At the base of each of those long hairs on its nose, there is a nerve receptor.
• All are red-faced monkeys, with a sort of circular bonnet on the head made by long hairs.
• In 1984, in USA, Sarah Cobb recreated the long hairs variety of Russian Blue which got the name of Nebelung (creator of mist).
• However, in some areas of the Iberian Peninsula, the term garceta indicates a ringlet of long hairs covering the nape, considering the tuft hanging from the head of almost all membres of this family.
• The mane and the long hairs, along the whole dorsal part of the body up to the tail included, may be showily raised advising about the mood of the animal.
• My house in lefke has the most beautiful pepper tree of the village. The pepper tree has long falling branches that dance in the wind as if they were long hairs.