Stories are not researched by Unknowncountry.com staff before posting and video evaluations are based on experienced observation, not video analysis.
The object pictured here and discussed on the link is not a bird or a plane. Close examination shows that it has four narrow fins at one end, making it appear like a rocket. It is a genuine unknown, and part of the long tradition of 'ghost rockets' that starts in Sweden right after World War II, and continues to Newfoundland and China. For a better image of the object, click on the link.