A shot of a bird in flight has always been a challenge to photographers. Seeing a perfect print image only serves to make them eager to create the same result. Photographing a bird in flight presents one problem, but capturing that one special bird-in-flight shot that's in focus and has good composition plus good light can represent a whole set of problems.
Everyone has his share of good flight shots where the bird may be just a tiny bit soft. Those are easy. But, how do you get a great flight shot?