Good quail hunting is by a mile the best hunting IMO, but anymore that is difficult and expensive
When I was a kid we used to belong to a club in middle SC that had great quail hunting and good dogs (quail flew well, and the dogs didn't fuck it up). The quail were all put, but they were put out months in advance of hunting season and had been put out for 20 years and 10% survived every year so there was a good population of wild/feral quail and the new quail would join those covey's and adopt those mannerisms.
We'd always clean some quail we killed in the AM and fry them up with pepper and bacon in a pan in the field and eat them for lunch. It was good, but quail are so slight it's a lot of work for not a lot of food.
My primary hunting anymore is duck hunting, which can be really rewarding as well. There are tons of wood ducks in the area we hunt, so we always limit out on those (3/person/day). Unfortunately, but for some trash duck like a merganser, wood ducks are typically the least flavorful wild duck (but it's not as if they are "bad", just a bit dry sometimes, usually pan fry, slice and throw on a salad, which works pretty well). Late in the season we'll start getting more mallards and gadwalls and the "big ducks" which are more substantial but also have a lot more fat, thus are better eating.
I have never actually killed a wild turkey, but I've had it. it was dry, edible, but dry which I'm not sure if we just didn't do a good job cooking it or it is just that way (I'd imagine it's a little of both)
Pheasants seem to be hit or miss, if they are cooked right they are really good, but you can mess it up because they can be fairly lean.
Grouse hunting is tough
it's hard work and usually not much action for your efforts, most people will tell you they have a good dog and it'll be fun, but in fact they have a shit dog and you bust your ass only for the dog to run the grouse up 70 yards ahead of you in thick brush