Play 3 ravens and/or crows in the same habitat.
Have more than 30 points worth of bonus points in one game.
Have one bird in your hand and two in your forest at the end of your turn.
Unlock all birds in the bird atlas. (By playing each of them at least once)
Score 120 points or more in a single game.
Score at least 80 points in a game when one of your opponents has a raven in the same habitat as a Franklin's Gull or Killdeer.