Joining a clan is a great way to meet other Angry Birds Evolution players and become friends. If you decide to join a clan you will be given some Gold Coins in your daily tasks section when you are still in the tutorial part story. If you are a member of a clan you will be able to spend Gold Coins to level it up and unlock the following perks.
* A fourth scout
* A smart bomb that drops once every battle
* A first aid kit that drops once every battle
* An extra egg after specific battles