A serious decline in the quality of American Cocker Spaniels in the 1940s was generally thought to be attributable to the rare double win of a single Cocker Spaniel in 1940 and 1941.

• 1940年代美国可卡犬的质量严重下滑被普遍认为是由一只可卡犬（1940年和1941年）两度获得总冠军所致。