Quadrangle of the Birds, southwest corner This courtyard has on its east side the stairway and west wall of the Pyramid of the Magician. It name is from the friezes along the roof which some scholars think simulate the thatched roofs of Mayan houses, others feather-like patterns. The friezes have carved stone birds attached to their surfaces. Entry through the arch to the the grand plaza, one of the best in Mesoamerica named the Nunnery Quadrangle, Uxmal
