Can I drink milk for macaws?

Machelli cannot drink milk.It usually eats the seeds of plants. It likes shell grains very much. If artificially feeds, you can choose a variety of feed mixed, and at the same time, it must be matched with some fruits and vegetables, so as to ensure the balance of nutrition.As the largest parrot, its feathers are very gorgeous, and the beaks are also very powerful. They can easily destroy the nut shell and suck the flesh.