That's how I got my lvl 56 4* bird. But, I've retried this method multiple times with no success. I've tried following the gems, essences, etc to no avail. The highest I've been able to get to since, is level 20 or so. I wish instead of doubling gems each time a pig was encountered, that it cost 50 or even 100 gems each time. That way unlucky players have a better chance it getting a high level bird. Angry Bird hatching eggs and clicking one ticket at a time to get more chances to level up your winning chance of getting a special bird plus eagle . Home Forums > Angry Birds Forums > Angry Birds Evolution > General IS THERE ANY PATTERN TO EAGLE MOUNTAIN. program the game to negate any tips that did/ may .