They are mostly vibrant green and their entire head will turn bright yellow as they mature. This species is popular because of their outstanding talking/mimicking ability. They can maintain a large vocabulary and tend to love to sing. They are social, and extremely intelligent. They require a lot of training, socialization, and consistency throughout their life in order to stay tame. In the right home, they make phenomenal companions. Ideally, the minimum cage size for this bird would be 36’’ long, 24’’ wide and 66’’ high with ¾’’ wire spacing. However you should be focused on education, nutrition, and conservation. Also, that parrot companionship shouldn’t be a lack So prior to wanting to own a yellow nape, you should again be provided with information on proper housing, creating a safe environment, diet, behavior, hormones and much more because it’s a lifetime companion. Always go for hand fed baby that are weaned on to a high variety diet, fruits and veggies. Moreover a sprout mix are also high variety seed and naturally colored pellets.