 In colonial India, the Bull Terrier breed soared in popularity, with the Bull Terrier Club of India being established in Calcutta.Bull Terriers were crossed with local breeds to develop the Gull Terrier, often called the Indian Bull Terrier and also now the Indo-Pakistani Bull Terrier.The Gull Terrier is a medium-sized dog with short, smooth fur which resembles that of the Staffordshire Bull Terrier.