Bay American Quarter Horse Filly, Foal, Mare, AQHA Stock Photography

An American Quarter Horse filly in a green pasture. She is registered with the American Quarter Horse Association (AQHA), a breed of horse that originated in the United States. Quarter Horses are known for their fast speeds up to a quarter of a mile. They are also known for the "cow sense," or the ability to read cattle behavior. This filly's color is bay, which means her body is a shade of red or reddish brown with a black mane and tail and black on the lower legs.