Hahahahaha, I knew it was just a matter of time before you posted this. It's a cool vid, but also good as a warning to drone pilots—if there's a bird of prey in the area please tell your drone to return and cease flying in the area (mostly for the sake of the birds).

Here's another:
https://www.youtube.com/watch?v=AhDG_WBI…

Nice to see the hawk is able to fly off, presumably unharmed.