Penn Plax Cockatiel Bird Swing This swing will act as a part of a natural habitat for your bird and It also has the benefit of stimulating your bird's feet. Designed specially for Cockatiels and other medium sized birds. Also the swing features a metal clip that securely attaches to all typed of wired cages. This swing will act as a part of a natural habitat for your bird and it also has the benefit of stimulating your bird's feet Designed specially for cockatiels and other medium sized birds Also the swing features a metal clip that securely attaches to all typed of wired cages This swing will act as a part of a natural habitat for your bird and it also has the benefit of stimulating your bird's feet Designed specially for cockatiels and other medium sized birds Also the swing features a metal clip that securley attaches to all typed of wired cages