The present embodiments provide an aviary that includes a floor, a roof, and at least one wall having a plenum to draw air adjacent the roof down the plenum toward the floor. At least one cage tower is disposed on the floor. At least one walkway is disposed adjacent the at least one cage tower and is configured to facilitate bird access to the at least one cage tower. A fan is disposed in flow communication with the plenum to circulate air in the aviary.
