The Pedra da Galinha Choca is a major tourist destination of Quixadá. Photo of the stone in the dry season. Pedra da Galinha Choca (Rock of the Brooding Hen) is a rock formation in the Brazilian city of Quixadá in Ceará, taking its name from its curious shape. It is located 5 km from the city center. The formation is in the Quixadá Monoliths Natural Monument, a fully protected area.