In this card game, players compete to become the most successful conservator of threatened birds. They do this by protecting birds from modern threats while building a strong avian portfolio that improves their chances of survival. Gameplay is inspired by the "Seven Wonders" of birdlife: Nest, Flight, Feather, Egg, Beak, Migration, and Song. The game includes 35 unique bird cards (4 of each), 28 threat cards, and 6 scenario cards, for a total of 174 cards.