How to divide the cuckoo

Differentiated the male and female male and the mother still depends on its appearance.The upper body of the male bird is dark gray, the wings are dark brown, the edges are white, and there are mixed spots.Its tail is black, with white embellishment at the top.The head, throat, upper chest, and neck are light gray, and the lower body is white, but it has dark brown mixed spots.The appearance of the female bird is similar to the male bird, but the upper body is gray, with a small amount of brown, and the chest is brown.