Watch the Birdie is an online slot game at the online casinos which use Rival Gaming software. It's video slot with some features. One of them is an expanding wild symbol. This feature can be triggered when a wild symbol can help complete a line.
The wild symbol in Watch the Birdie slot game is an egg. It can appears on reels 2, 3, and 4 only. The wild egg will substitute for any other symbol to form winning combinations, but it do not substitute for the scatter symbols.
The wild Egg will expand to fill the entire reel.
This bonus feature give chance for many combinations of wins.