Do you know what to do if you come across an injured bird? Most times birds suffer some sort of impact whether it is a baby bird that fell out of a nest or an adult bird that flew into a picture window.
The bird may not show any signs of physical injury but it is definitely distressed and traumatized. The first thing to do is to see if it suffered any serious injury. A serious injury will need some sort of professional help.
If the bird seems scared and stunned the best thing to do is put a well ventilated cardboard box over the bird and let it rest for a few hours. Do not try to feed the bird. Just give it time to recover from the trauma by leaving it alone and in most cases the bird will fly off on its own when you take away the box.