Figure 2From: Two new plumage mutations in the Japanese quail: "curly" feather and "rusty" plumageJapanese quail with the curly and the normal feather structures. The adult curly quail is on the left. Its plumage has an overall fluffier look when compared to the normal quail on the right, but the intensity of the curliness varies between curly quail, as the penetrance of this autosomal recessive mutation is not complete.Back to article page