If the photo has some importance to you then PP, ToPaz or LightRoom as much as you need to to recover it.
Many years ago a friend of the family ask my to clean up a photo of their son who died on active service in Afghanistan or Iraq.
Though I did crop, boost shadows, cloned pixels etc it was just an OK image in fact still quite poor really, however to the friend it was an amazing photo they will treasure for life !
As for image in this thread, as already mentioned in the thread the focus has been missed and that is it really. No matter what you try and do it is still a blurry image, so just try again and practice with your settings, i.e shutter speed, ISO values, reciprocal rule if you have a big zoom.
You will nail a good image in future, just practice on common birds you have around at that similar distance.