Looks like a juvenile Rounen Drake to me.
At that age, the green sheen is not necessarily indicative that it is a drake; until it starts to migrate throughout other parts of the face/neck.
The reason I would lean towards drake right now would be the bill color.
At that age, the green sheen is not necessarily indicative that it is a drake; until it starts to migrate throughout other parts of the face/neck.
The reason I would lean towards drake right now would be the bill color.