What is the difference between a fawn dog and a Chihuahua

What is the difference between fawn dogs and Chihuahuas? The Fawn has a narrow cap and a flat top of the head; the Chihuahua has a round head; the Fawn has small ears with high roots; the Chihuahua has large, thin, upright ears that separate at rest; the Fawn has oval eyes that are black; the Chihuahua has round, large eyes that are bright black or red. Head: The Fawn has a narrow skull cap, a thin tip and a flat top; the Chihuahua has a round head, with a round “apple-shaped” head. Ears: The Fawn’s ears are as small as possible, and the breed with high ear roots is better, with erect and pendulous ears; the Chihuahua’s ears are large, thin and erect, but at rest, the ears are separated, with a 45 degree angle between them. Eyes: Fawn dogs have oval, appropriately sized, black eyes; Chihuahuas have round, large eyes that appear bright black or red (yellowish or white dogs are allowed to have white eyes). Body Type: The Fawn Dog has a quadrangular body shape, with a very broad chest, straight back and deep abdomen upwards; the Chihuahua has a rectangular body proportion, with the length from shoulder to hip slightly greater than the shoulder height. Coat: The Fawn’s coat is short, smooth, and lustrous; the Chihuahua has a short-haired coat and a long-haired coat. The short coat is very soft, dense and smooth. The long-haired coat is soft, flat or slightly curved, and preferably with undercoat. Personality: Fawn dogs are lively and active by nature, like to run up and down the house, and need to be out walking often; Chihuahua is also lively, but not much exercise every day, and do not often have to spend time taking it out to play.