Shadow animal?

WOW! THATS AMAZING !! What is that? It’s clearly bounding like a dog or some large animal. I’d like to see some video analysis done on this one.
 
My brother encountered a creature like this in the swamp Scared the devil out of him when it growled.


RIP Charlie Daniels Died July 6, 2020
 
My brother encountered a creature like this in the swamp Scared the devil out of him when it growled.


RIP Charlie Daniels Died July 6, 2020
A good video! Charlie will be missed. Another great passed on.