The Kazoo D Swing is a natural wooden cage accessory for birds, combining a perch and swing in a simple D-shaped frame. It hangs inside the cage and gives birds an active place to grip, balance, and play. The large size suits medium to large bird species.

Natural wood gives birds a textured surface to grip with their feet and work on with their beaks — unlike the smooth surfaces of plastic perches, it engages the feet properly. The D-shaped frame attaches directly to cage bars without tools, and the hanging design means the swing moves under the bird's weight, which exercises the feet and leg muscles over time.

Birds that spend most of their time on a single static perch tend to show better foot engagement when given a swing alongside. The natural wood surface also gives them something appropriate to beak without the durability concerns of softer materials.