The Kooikerhondje or Kooiker Hound,'s a small spaniel-type breed of dog of Dutch ancestry that was originally used as a working dog, particularly in duck hunting and tolling. Kooikers were popular in the 17th and 18th century and appeared in the paintings of Rembrandt and Jan Steen. The breed's rapidly gaining popularity in the United States and Canada, where it's still relatively unknown. Description Appearance These dogs are around 35 to 40 cm (14 to 16 inches) high at the withers with a ne… (More on Kooikerhondje)