Kooikers appeared in the paintings of a Dutch painter whose works are known for their abundance of what?
Kooikerhondje: The Kooikerhondje (literal English translation "little cager dog" or "little caging dog") is a small spaniel-type breed of dog of Dutch ancestry that was originally used as a working dog, particularly in an "eendenkooi" (duck cage) to lure ducks. Kooikerhondje:  Kooikers were popular in the 17th and 18th century and appeared in the paintings of Rembrandt and Jan Steen. Jan Steen: Jan Havickszoon Steen (c. 1626 – buried 3 February 1679) was a Dutch genre painter of the 17th century (also known as the Dutch Golden Age). Jan Steen:  His works are known for their psychological insight, sense of humour and abundance of colour.
colour