To provide a fixture for a bird cage which can easily change a disposition position of a fixture used by a pet bird and can be widely applied to various bird cages.SOLUTION: A perch tree T used by birds for pets housed in a bird cage comprises a body member 10 having a base portion 11 and disposed in a bird cage, a body member 10 positioned outside the bird cage And a fixing member 20 to be fixed. A permanent magnet is provided on either one of the fixed member and the base portion, and a magnetic member is provided on the other. When the base portion and the fixing member are made to face each other in close proximity, the base portion and the fixing member are attracted to each other by the magnetic force of the permanent magnet, and the main body member is fixed to the bird cage.(FIG.【課題】ペット用の鳥が使用する備品の配設位置を容易に変更することができ、種々の鳥ケージに広く適用できる鳥ケージ用の備品を提供する。【解決手段】鳥ケージ内に収納されるペット用の鳥によって使用される止まり木Tが、ベース部11を有して鳥ケージ内に配設される本体部材10と、鳥ケージの外部に位置される固定部材20とを有する。固定部材とベース部のいずれか一方に永久磁石が設けられ、他方に磁性部材が設けられる。ベース部と固定部材を近接態で対向させた際に、ベース部と固定部材が永久磁石の磁力によって互いに吸着されて、本体部材が鳥ケージに固定される。【選択図】図4