What to eat for the newly born yellow waist willow

The newly born yellow waist willow warrior eats the food of female birds.Adult birds mainly eat insects. I especially like to eat flies with both wings. They also eat cavity and the same wings. Other insects also eat, but the number is not much.This kind of bird is generally active, and the movement is very agile. It often jumps back and forth between the top branches of the tree to find food.Its trace.