Enough is enough

I spotted this hawk in a tree right alongside the road as I drove to work today.  I pulled over and quietly got out of the car, then took four shots.  This is the last one, right before it flew away across the field.  The first shot shows it with its back completely to me.  The next two have it looking at me over its shoulder, and here it is starting to spread its wings.  

There was intermittent blue sky today, still quite cold.