"So how can you prevent energy deficiency in your pet birds? The best way is to purchase your own scale, a scale that weighs in grams and ounces. Not only is the scale the best way to monitor diet intake, it is also the most important tool to determine your birds health at home. This fully electronic scale has a removable "T" perch for easy weighing.
Avian Scale Dimensions: 7" length x 7" width x 7" height (Perch Dimensions: 5-1/2" Length x 1" Diameter)