Birds starve on diets lacking sufficient vitamins - seeds are deficient in many vitamins. Birds starve on diets low in carbohydrates - lettuce, spinach, endive and other greens have little nutritional value. Birds starve on old food. Birds starve if fed cafeteria style - allowed to pick their own diet from a variety of food. Birds starve when people don't care.
Budgerigars are small, colorful birds with gregarious, entertaining personalities.
Budgies may live from 6 to 18 years. The most common disease conditions are often the result of malnutrition. Ask your veterinarian about getting your bird on a balanced diet. I recently moved by bird's cage, and am now noticing more aggressive behavior. In domestic environments, the bird's position in the flock is demonstrated by the height of its roost, with more dominant individuals occupying higher positions than those of subordinate status.