People living in places having ample green cover are certain to get up in the early mornings of summers with the catchy sound of Kuoo…kuoo…kuoo… it is the male Koel, which attracts us with sweet tunes…But how many of us could recognize a Koel? How does it look like? Is there any difference between male and female? These are the common questions people do have in their mind when we talk about Koel.