The Yorkshire Terrier is a small dog breed of Terrier type. The Yorks developed in the 1800s in the historical area of Yorkshire in England(the name is from the name of town). The purpose of that dogs was catching mice in the poor houses of the artisans and the labourers.The breed sprang from three different dogs, a male named Old Crab and a female named Kitty, and another female whose name is not known. The Yorkshire Terrier is a small dog, weighing 3.2 kg or less, with a glossy, long silky coat. The coat is dark on the back with a tan chest and tan on the head and legs.The Yorkshire Terrier breed is bold and active. They can be very hostile towards other dogs, growling and barking at them. They are surprisingly brave for such a small breed. They are also quite loyal and affectionate. The Yorkshire Terrier is intelligent and active,loves attention and should not show the soft temperament seen in lapdogs. Health issues often seen in the Yorkshire Terrier include bronchitis, lymphangiectasia, Portosystemic shunt, cataracts, and keratitis sicca. In addition they may have skin allergies. The Yorkshire Terrier are very cute small dogs, perfect for small flats. You just want to hold them all day long :-)