Umbrella Cockatoos are large parrots with high energy demands and a metabolism that requires a carefully balanced diet. In the wild, they forage on seeds, nuts, fruits, berries, and insects across the forests of Indonesia, and their captive diet should reflect that diversity rather than relying on any single food source. A bird fed exclusively on seeds will almost certainly develop nutritional deficiencies, particularly in vitamins A and D, calcium, and essential amino acids.
The foundation of an Umbrella Cockatoo's diet should be a high-quality formulated pellet, which should make up roughly 60 to 70 percent of total daily intake. Pellets are designed to deliver balanced nutrition in every bite, eliminating the selective eating that occurs when birds pick through seed mixes and consume only their favorites. The remaining 30 to 40 percent should consist of fresh vegetables, fruits, legumes, and occasional nuts.
Fat intake is a particular concern for cockatoos in captivity. These birds are prone to obesity and fatty liver disease, especially when offered too many sunflower seeds, peanuts, or other high-fat items. While healthy fats are necessary, they should come in controlled portions. Calcium is equally important, particularly for breeding females, and can be supplemented through cuttlebone, mineral blocks, or calcium-rich vegetables like broccoli and kale.
Water quality matters as much as food quality. Fresh, clean water should be available at all times and changed at least twice daily, as cockatoos frequently dunk food in their water dishes, creating a breeding ground for bacteria. Some owners prefer water bottles to reduce contamination, though not all cockatoos will readily drink from them.