After the stomach is the gizzard where the "chewing" takes place, after the stomach adds the enzymes. Grinds all that stuff up so the small intestines can digest it. I would be surprised if all that sat in the crop all night as that is the time for digestion, but I could be wrong. Maybe if that turkey just happened to gorge right before flying up and the crop was backed up. But I mostly slept through my poultry classes, just studied enough to pass. Only thing I wanted to really know about poultry was how to cook it! I can tell you normal transit time in mammals, but not turkeys.