No. 8 is pretty standard unless you're shooting at a distance or they are larger quail or very spooky.
It's the duck and goose, and to a lesser extent pheasant, hunting where you have to look out for the big pellets -- those can do some damage.
Of course hitting a quail with a single buckshot will not cause it to explode, but I suspect you already knew that and were using a little hyperbole.