User blog comment:Al the Emerald Toucanet/What Are the Angry Birds Ages?/@comment-26821492-20151016190059/@comment-26821492-20151022125828

Well, there isn't a bid sign saying "Bubbles", but I think its confirmed. First of all, Red's flock is in the front, and the orange bird is in the front. The bird has got Bubble's black spot. I am absoluteley sure its Bubbles. Oh, and I agree that the Blues were probably hatched later.