@serenesurface-- I'm not a doctor or expert but I don't think so. Hip dysplasia means dislocation of the hip. It may or may not be present at birth. If it is, it's called congenital dysplasia.
I think pigeon gait may develop as a result of dysplasia. But dysplasia may not cause pigeon gait. It may cause limping or other issues. Dysplasia is basically a much more serious condition and it doesn't go away like pigeon gait.