Lighter than a Feather.

She spread her wings in one movement and light left them as the trees around her moved.
In one movement she jumped and flew high above the clouds to capture the first ray of sunlight. As the sun started to show she put the bottle where the ray was visible and slowly put her finger around it to pull.
When she was done she put a wing in between the sun and the bottle and sealed it with a cork. She then let herself fall in free fall through the clouds and at the last second almost touching the top of the trees she pulled up and kept flying.
The morning sun was the last ingredient for the medicine she would make to take care of the other people that lost their light. Morning light and a feather were all she needed to mend the wounds.