Also, most injured birds are suffering from dehydration and attempting to feed or water the bird may kill it. Handle wild birds only if it is absolutely necessary. The less contact you have with the bird, the more likely it will be to survive. Also, wild birds have no way to know that you are trying to help. Even if the bird is docile at first, it is very likely scared, and will perceive you as a threat.
Raptors are quite unpredictable.
Be particularly aware of the bird's talons and beak. If you must handle or move a bird, be extremely careful . Wear heavy gloves if possible. It is generally recommended that you wrap the injured bird in a blanket, towel or coat. Gentle fold the bird's wings back against its body.