Why must vegetables form the bulk of the fresh portion over fruit for Eclectus parrots?

Due to the high sugar content naturally found in fruit.

Although both fruits and vegetables are necessary components of the Eclectus parrot's fresh diet, vegetables must constitute the larger portion of this fresh intake, often exceeding the fruit volume significantly. The primary reason for this prioritization stems from the sugar content present in fruits. Unlike vegetables, which offer necessary complex nutrients and bulk with lower sugar levels, excessive fruit sugar can lead to metabolic issues in this species, specifically contributing to obesity, gastrointestinal upset, and potential diabetes. By leaning heavily on vegetables, especially dark, leafy greens and bright orange varieties, owners ensure the bird receives critical vitamins like Vitamin A without the risks associated with high daily sugar loads.