What vegetables do budgerigars (budgies) like to eat?

Budgerigars generally enjoy vegetables such as celery, lettuce, greens, cabbage, bok choy, and Chinese cabbage. Vegetables are rich in vitamins and fiber, and during care the owner can feed a moderate amount of vegetables to help the bird grow better. However, avoid giving too many vegetables at once, as that can cause indigestion.

Also, do not feed spinach, celery, or similar vegetables to budgerigars, as these may cause diarrhea.