Board Thread:Episode Discussion/@comment-410526-20160213154456/@comment-26397825-20160214015219

It could simply be symbolism, but we have been told that the sound of wings and the sight of crows is very important in regards to Qrow himself, which is why the automoatic assumption of most people is that Qrow's semblance has to do with crows. Then to see this after-credit scene, it's not too much of a jump to draw conclusions from it.