Can the three treasure birds digest for their own food?

After the three treasure birds accumulate, they often cannot digest themselves.As a small and medium-sized poultry, this bird body is between 26-29 cm and is blue-green. It is mainly distributed in eastern Lia, and can also be seen in northeast, North China, and Central China in my country.It is mainly inhabited on the trees, usually in pairs or living alone. It mainly eats green turtle, and can also eat locusts, cows, golden flowers, etc.