The Nederlandse Kooikerhondje, often simply referred to as Kooikerhondje, is a small and cheerful dog breed known for its striking appearance, intelligence, and friendly nature. These dogs typically weigh between 20 to 25 pounds and stand around 14 to 16 inches tall at the shoulder. Kooikerhondjes have a well-balanced and elegant build, with a long, feathered tail and a medium-length coat that is predominantly white with patches of red or orange, often accompanied by black-tipped ears.