To provide a measure for a bird which can easily and accurately know the size of a bird (waistline dimension) and can be easily used even by a beginner.SOLUTION: The measure A for birds comprises a flat plate portion 1 wound around the outer periphery of the bird from the abdomen to the back of the bird, a penetrating portion 2 through which the leg of the bird provided on the flat plate portion 1 passes, a flat plate And a fixing part 3 provided at the end of the part 1 for holding the flat part 1 on the bird.(FIG.【課題】鳥の大きさ(胴回り寸法)を簡単かつ正確に知ることができ、初心者であっても容易に使用することのできる鳥用のメジャーを提供する。【解決手段】本考案の鳥用のメジャーAは、鳥の腹部から背中にかけて前記鳥の外周に巻かれる平板部1と、平板部1に設けた前記鳥の脚を通す貫通部2と、平板部1の端部に設けて平板部1を前記鳥に保持する固定部3とを有するものである。【選択図】図1