Traditional Polish deep-fried donut stuffed with jam, or other yummy sweet things and covered with powdered sugar. I sometimes see them in San Antonio.
It depends on how bad the break is. If no blood vessels are broken, it can grow out and heal itself. If the damage is great, it needs to be looked at. Information from various raptor rehab organizations and the AmericanEagle Foundation.
My own version is cucumber slices and lime juice.