If you find an injured bird, here's what to do. Follow their instructions. Birds of Prey may ONLY be possessed by having the proper Federal permit. Only a person fully licensed by both the US Fish and Wildlife Service and the Colorado Division of Wildlife may rehabilitate injured raptors. An injured bird of prey needs immediate specialized care.
Any delay reduces the bird's chance for recovery.
Most veterinarians don't have facilities or the practical experience to properly handle an injured bird of prey. It is possible to injure a bird by forcing it to drink. You may offer it water, but do NOT force it to drink. I know that you care because you have taken the time to check this page, so please get the bird to a rehabilitation facility as soon as you can. Point Reyes Wildlife Page These are the books I use to identify and know birds.