To activate this bonus feature you must hit 3 scatter symbols anywhere on 5 reels. The scatter symbol on Watch the Birdie slot game is the Birdwatcher.
You have a chance to crack five of ten eggs, which you see on the screen. The each egg has a little bird, but only five of them give you coins. These five birds are shown on first screen with instructions and in top on playing screen.
Also you can hit a special birdie, which is named as the 'bonus bird of happiness'. If you hit it, it give you five more chances to win.