Nederlandse Kooikerhondje

Across 59 single-size medium breeds, a lifespan midpoint of 13.5 years is about the same as the 13.3-year average. A midpoint adult weight of 25 lb is about 9.1 lb lighter than the 34.1 lb average for those medium breeds.

The listed origin is The Netherlands. The coat is described as wavy, double, medium. The AKC energy score is 4 out of 5, close to the group average of 4.1 for the Sporting Group. Shedding scores 3 out of 5. Grooming scores 2 out of 5, so home brushing covers most weeks. Trainability scores 5 out of 5, which is a biddable score. Good with children scores 3 out of 5. Good with other dogs scores 3 out of 5. AKC ranked this breed number 158 in 2025.

AKC parent-club recommended health screenings: Eye examination - certified through the Orthopedic Foundation for Animals (OFA), Patella Evaluation - certified through OFA, Hip: certififed through OFA, Von Willebrand Disease III (Kooikerhondje) (VWDIII) - DNA Test, and Hereditary Necrotizing Myelopathy (ENM) - DNA Test. These are screening tests, not a list of diseases the breed is guaranteed to develop.